PRESIDENT OFFICE REGIONAL ADMNISTRATION

AND LOCAL GOVERNMENT

SECONDARY EXAMINATION SERIES 

COMPETENCE BASED ASSEMENT

PHYSICS FORM ONE 

MID TERM EXAMS-AUGS/SEPT – 2024

031

Time: 2:30Hours

INSTRUCTIONS

1.               This paper consist of section A, B and C with total of ten (10) questions
2.               Answer all questions
3.               Section A carries 15 marks, section B 70marks and section C caries 15 marks
4.               Where necessary the following constants may be used

Acceleration due to gravity, g =

SECTION A

Answer ALL questions.

(i) A pump raise 100kg of water steadily through a height of 30m in 10s, what is the power developed by the pump?

1.  300J/s
2.  1000W
3.  3000W
4.  1200W.

(ii) A particle is thrown upward with some kinetic energy. What happened to its kinetic energy at the highest point or height it reaches?

1.  Its kinetic energy is lost
2.  It’s all kinetic energy is absorbed by air
3.  It’s all kinetic energy is converted to potential energy
4.  Its kinetic energy remains the same

(iii) Tiny particle that makes matter are called

1.  Molecules
2.  Element
3.  Atoms
4.  Electrons

(iv) Atoms in solid are closely packed together due to:-

1.  Cohesive force
2.  Adhesive force
3.  Capillarity
4.  Bond

(v) Atmospheric pressure is calculated by the 

1.  Height of water column is barometer
2.  Height of mercury column in barometer
3.  Height of lime column in barometer
4.  Height of oil column in barometer.

(vi) Amount of pressure in liquid decrease with 

1.  Volume
2.  Base area
3.  Mass
4.  Depth.

(vii) Accurate volume of a liquid can be measure by using 

1.  Volumetric flask
2.  Pipette
3.  Burette
4.  Cylinder.

(viii) A factor which affect sinking or floating is

1.  Volume
2.  Density
3.  Mass
4.  Surface area.

(ix) A part of shadow which receives no light from source is called?

1.  Shadow
2.  Eclipse
3.  Penumbra
4.  Umbra

(x) When Earth is between the Sun and the Moon, we get?

1.  Earth eclipse
2.  Moon eclipse
3.  Solar eclipse
4.  Venus eclipse.

2. Match the following

SECTION B

3. (a) Mention at least seven types of force.

    (b) What is stretching and restoring force?

4. (a) Mention five importance of first Aid

     (b) List five procedures to help a victim with small cut or wound.

5. (a) Define relative density

    (b) A clean dry beaker has a mass of 400g. 112cm³ Kerosene is poured into the beaker with help of burette, if the mass of beaker and kerosene is 500g, find density of kerosene.

6. (a) State Hooke’s law

    (b) Identify applications o elasticity in everyday life.

7. A 50kg girl runs up a staircase of 50 steps each. Steps in 15cm in height, in 5 second.

1.      Find work done against gravity by the girl
2.     At what power is she running

8. (a) State two factors which pressure in liquids depends 

    (b) Explain why

1.     Sharp knife cuts easily than blunt knife
2.   An elephant cannot easily sink in mud
3.       Tyres of a tractor are wide

9. (a) Distinguish between

1.     Floating and sinking
2.   Weight and up thrust

    (b) Why does hydrometer have wide bulb and Narrow stem.

SECTION C

10. An empty petrol tin has a mass of 0.75kg. When full of petrol, the tin and petrol has a mass of 7.75kg. If the density of petrol is 700kg/m³, find volume of petrol in tin. 

THE PRESIDENT’S OFFICE

REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

PHYSICS FORM ONE TERMINAL EXAMINATION

CODE 031

TIME: 2:30 HOURS          

INSTRUCTIONS.

• This paper consists of section A, B and C with the total number of ten(10) questions
• Answer all questions in each section
• Section A carries (15) marks, section B (70) marks and section C carries (15) marks
• All writing must be in blue/black ink except drawing which must be in pencil
• Cellular phones and any unauthorized materials are not allowed in the assessment room.

SECTION A (15 Marks)

Answer all questions in this section

1. For each of the items (i) – (x) choose the correct answer from among the given alternatives and write its letter beside the item number in the answer sheet provided

1.    A student wants to precisely measure the volume of a liquid. Which piece of apparatus would be the MOST suitable?

A. Ruler

B. Thermometer

C. Graduated cylinder

D. Spring scale

2.    Which of the following is NOT a good safety practice in a physics lab?

A. Wearing safety goggles when working with chemicals.

B. Eating or drinking while performing experiments.

C. Knowing the location of the first-aid kit.

D. Cleaning up spills immediately.

3.    The base unit for length in the International System of Units (SI) is the:

A. Meter

B. Kilogram

C. Second

D. Celsius

4.    Imagine pushing a heavy box across the floor. Which of these will REDUCE the friction between the box and the floor?

        A. Making the box heavier.

B. Applying a lubricant to the floor.

C. Pushing the box harder.

D. Using a rougher floor surface.

5.    Sarah observes that plants grow taller when exposed to more sunlight. To design an experiment, what should her next step be?

A. Form a hypothesis about sunlight's effect on plant growth.

B. Draw conclusions about the importance of light.

C. Measure and record the heights of the plants.

D. Find more information about why plants need light.

6.    You stand on one foot instead of two. What happens to the pressure your foot exerts on the floor?

A. The pressure decreases

B. The pressure increases

C. The pressure stays the same

D. Pressure doesn't apply in this situation

7.    Why does a large metal ship float while a small metal coin sinks?

A. Ships are hollow, making them less dense than water.

B. The coin is made of a denser type of metal.

C. Water pressure is less at the surface.

D. Ships are treated with a special coating that repels water.

8.    Which of the following situations is an example of potential energy?

A. A bird flying through the sky.

B. A rock held at the top of a hill.

C. A car speeding down the road.

D. A burning candle.

9.    If a chemical splashes into someone's eye, what should you do FIRST?

A. Rub the eye to remove the chemical.

B. Flush the eye with water at an eyewash station.

C. Put a bandage over the eye.

D. Close the eye tightly.

10.    Anna builds a simple catapult with a rubber band, a spoon, and a popsicle stick. Which type of energy is stored in the stretched rubber band?

A. Chemical energy

B. Elastic potential energy

C. Gravitational potential energy

D. Kinetic energy

2. Match the physics apparatus in Column A to its primary use in Column B.

SECTION B: 70 Marks

Answer all questions

3. (a)  List any three importance of studying Physics.

    (b) List any five areas where Physics is applied in real life.

4. (a) Laboratory safety is____________________________

    (b) Mention four laboratory safety procedures.

    (c) Mention five causes of laboratory accident.

5. (a) Mention five importance of first Aid

    (b) List five procedures to help a victim with small cut or wound.

 (c)  Mention four causes of laboratory fire.

6. (a) Define density and relative density

    (b) A block of metal of volume 25cm³ was dropped in water and volume raised to 65cm³. Find initial volume of water.

(c) A clean dry beaker has a mass of 400g. 112cm³ Kerosene is poured into the beaker with help of burette, if the mass of beaker and kerosene is 500g, find density of kerosene.

7. (a) Define volume of a substance.

    (b) Mention three apparatus used to measure volume of substance.

    (c) What is buoyancy

    (d) Explain why a ship floats in water.

8. (a) State the law of floatation

    (b) What condition are required for body to float?

    (c) What is up thrust?

    (d) State Archimedes Principle

9. (a) Distinguish between Floating and sinking and   Weight and up thrust

    (b) Why does hydrometer have wide bulb and Narrow stem.

10. (a) What is apparent weight?

    (b) Describe a simple experiment to determine apparent weight of an object.

    (c) When a body is totally immersed in fluid, its weight is found to be 45N the weight of liquid displace is 2.5N. Find weight of body in air.

PRESIDENT OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

SECONDARY EXAMINATION SERIES 

COMPETENCE BASED ASSESSMENT

031 PHYSICS FORM ONE 

ANNUAL EXAMINATION 2023 

Time: 2:30Hours

INSTRUCTIONS

1. This paper consist of section A, B and C with total of ten (10) questions
2. Answer all questions
3. Section A carries 15 marks, section B 70marks and section C caries 15 marks
4. Where necessary the following constants may be used

Acceleration due to gravity, g =10N/M2

1.

1. Which of the following is a safety precaution in Physics laboratory?

1. Doing experiment in the laboratory
2. Handling of apparatus in the laboratory
3. Use equipment with care in laboratory
4. Do anything in laboratory

2. What is the implication of statement that when a body floats its apparent weight is Zero?

1. The weight of floating body is less than upthrust acting on it
2. The weight of the floating body is less than the weight of fluid displaced
3. The weight of floating body is equal to weight of the fluid displaced
4. The weight of floating body is greater than up thrust acting on it

3. Why are particles in a solid state closed packed

1. Because they have weak force of attraction
2. Because they have moderate force of attraction
3. Because they have moderate force of attraction
4. Because they have very strong force of attraction

4. What makes the last drop of tap water remain hanging for some time at the outlet of the tap soon after closing the tap?

1. Surface tension
2. Osmosis
3. Capillarity
4. Viscosity

5. A clinical thermometer differs from other thermometer because it

1. Can be used to measure the temperature of ice
2. Can be used to measure the temperature of melting iron
3. Has a constriction
4. Is very small

6. A ferry Boat floats in a sea water because its average density is

1. Creator than that of water
2. Smaller than that of water
3. The same as its weight
4. Greater than its weight

7. What is the name given to study of weather and climate relates greatly with physics our it’s instruments such as rain gauge and wind vane use principles of physics

1. Astronomy
2. Geophysics
3. Meteorology
4. Solar system

8. Which of the following is one of importance of first Aid in the Physics laboratory

1. First Aid Prevents risks of electric shock is a student
2. First Aid promotes recovery of a victim by bringing hope
3. First is a real treatment to a seriously injured person in the laboratory
4. First Aid promotes loss of unconsciousness to a fainted person

9. A needle may float on a clean water but sinks when some detergent is added to water because the detergent

1. Reduces the density of water
2. Increases the adhesive force between the needle and water molecules
3. Lowers the surface tension of water
4. Makes water surface slippery

10. A house building contractor fitted window Glass panes which someone cannot see through but the room are full illuminated with light. These types of glass pane materials are said to be

1. Dim
2. Opaque
3. Transparent
4. Translucent

2. Match the meaning of terminologies used in structure and properties of matter with LIST A, with their corresponding terms in LIST B by writing the letter of correct answer in table provided.

SECTION B (70 Marks)

3. (a)State the Archimedes principle

(b)List down three conditions necessary for a body to float

(c) An object of weight 18N immersed in water. It experiences an upthrust of 2N. Calculate;

1. Real weight
2. Relative density
3. Density of the object in kg/m³

4. (a) State Paschal Principle as it is applied in Pressure

(b)State any four application of atmospheric pressure

(c) Briefly explain why the woman wearing shoes with ported heels in more likely to cause damage to wooden floor than elephant

(d)What will be the pressure due to a column of water of height 3m if the density of water is 2100kg/m³.

5. (a)what do you understand the following terms

1. Pressure
2. Atmospheric pressure

(b)Why are dams constructed thicker at the bottom than at the top?

(c) A rectangular tank which measures 5m by 4m contains water to a height of 10m. What will be the

1. Pressure on the base
2. Thrust on the base

6. (a) A Uniform half-meter rule in pivoted at 20cm mark and balances horizontally when a body of mass 30g is hung at the 5cm mane from one and

1. Calculate the mass of the rule
2. Draw the diagram of arrangement above

(b)Calculate the pressure due to column of mercury 750mmHg high given density of mercury equal 13600kg/m³

7. (a)Explain briefly why efficiency of a machine is always less than 100%

(b)A load Wheel barrow weighing 800N is pushed up an inclined plane by a force 150N parallel to the plane if the plane rises 50cm for every 400cm length of the plane. Find

1. Velocity ratio
2. The mechanical Advantage
3. The efficiency of the machine

8. (a)When water and Mercury were in two separate measuring cylinders the teacher asked students to observe the reading in both cylinders. Why does mercury from downward meniscus while that of water forms upward meniscus?

(b)A force of 4N causes a certain copper wire to extend to 1.0mm. Find the load that will causes a 3.2mm extension on the same wire.

9. (a)When the metal can that contain hot water is closed and then cold water is poured on it, then it collapses

(b)Why in an experiment using Hare’s apparatus the length of methanol and water column were found to be 16cm and 12.8cm respectively

1. What is relative density of methanol
2. If the length of methanol column attired to 21.5cm find new height of water.

SECTION C (15 Marks)

10. (a)A form two student in physics laboratory was provided with density bottle, sand, digital balance and water. He is required to determine the density of sand using the instruments provided above, show how he will determine the density of sand?

- Mass of density bottle; M₁ = 200g

- Mass of density bottle and sand M₂ = 550g

- Mass of density bottle and water, M₄=300g

1. What was the density of sad?
2. Determine the relative density of sand.

PRESIDENT OFFICE REGIONAL ADMNISTRATION

AND LOCAL GOVERNMENT

SECONDARY EXAMINATION SERIES 

COMPETENCE BASED ASSEMENT

PHYSICS FORM ONE

MID-TERM EXAMS MARCH – 2023 

031

Time:2:30Hours

Instructions

1. This paper consists of sections A, B and C with a total of ten (10) questions.
2. Answer all questions
3. Sections A and C carry fifteen (15) marks each and section B carries seventy (70) marks
4. All answers must be written in the space provided
5. All writing must be in blue or black ink except drawings which must be in pencil
6. All communication devices, calculators and any unauthorized materials are not allowed in the assessment room.
7. Where necessary the following constants may be used:

1. Acceleration due to gravity, g=10m/s²
2. π = 3.14

SECTION A

1. For each of the items (i) – (x) choose the correct answer from the given alternatives and write its letter in box provided

1. Which one of the following arguments describes the mathematical language used in physics

1. Matter occupies space
2. Density is mass per volume
3. Volume is amount of space occupied by the body
4. Physics is a branch of science.

2. A student has got an electric shock and felt unconscious in the physics laboratory. Which decision would you take to help the victim immediately?

1. Administer breath exercise
2. Call the Physicist
3. Call other students
4. Contact a medical Doctor

3. Why are machine engines filled with oil lubricant?

1. Reduce friction between moving particles
2. Increase the viscosity between moving particles
3. To return the twisted solids to their former state.

4. Why does it take a shorter time for a perfume to diffuse in air than in water?

1. Air molecules are fresh compared to water
2. Air molecules are packed closer compared to those of air.
3. Water molecular are less far apart compared to those of air
4. Water molecule move with higher speed compared to those of air

5. A cooking oil was mixed with water and poured into a measuring cylinder and allowed to settle for 3 minutes. Which one will be observed phenomena

1. Cooking oil floats over water
2. Meniscus of water appeared convex in shape at the surface
3. Water floating on the oil
4. Water and oil completely mixed up

6. If two cars are both travelling at 50km/h and they collide head on, the effect is similar to a car colliding with Walter what velocity?

1. 0km/h
2. 10km/h
3. 50km/h
4. 100km/h

7. When a large body of experimental evidences support or does not support the hypothesis, what may hypothesis eventually be considered?

1. Observation
2. Insight
3. Conclusion
4. Law

8. An engineer wanted to measure the diameter of a wire to the nearest 0.001cm, which of the following instruments will be used.

1. Metre rule
2. Measuring cylinder
3. Micrometer screw gauge
4. Vernier caliper

9. The term used to describe the ability to of an obseet to float on a surface of a liquid is classified is

1. Floatation
2. Buoyancy
3. Density
4. Pressure

10. Materials can be twisted into different shapes. Which among the following forces cause twisting of elastic materials

1. Restoring force
2. Compressional force
3. Stretching force
4. Torsional force

2. Match each of the description of the terms used in simple machines in List A with the corresponding concept used in simple machine in List B by writing a letter of the correct response below the item in table.

SECTION B (70 Marks)

Answer all questions

3. (a)State laws of reflection

(b)Explain behavior of light when it encomters translucent, transparent and Opaque materials 

Calculate number of images formed by plane mirror related to the angle between two plane mirrors 

4. (a)(i)Differentiate distance and displacement

(ii)Write down three equations of linear motion 

(b)A paratrooper falling under gravity after 6 seconds

1. What will be maximum height covered
2. What will be its velocity when hitting the ground

5. (a)Explain why efficiency of machine is always less than 100%

(b)An object weight in air is 6ON and 4ON when immersed in water. What will be its

1. Upthrustin water
2. Relative density
3. Density

3. Give reason why a ship can move surface of water without sinking?

6. (a)When a metal can that contains hot water is closed and cold water is poured on it the can collapses, why?

(b)In an experiment Using Hare’s apparatus the length of methanol and water columns were found to be 16cm and 12.8cm respectively

1. What is the relative density of methanol?
2. If the length of methanol column was altered to 21.5c what would be the new height of water column?

7. (a)Differentiate ferromagnetic materials from Paramagnetic materials by giving their typical examples and uses

(b)Advice a laboratory technician three appropnate ways of slowing magnets so that they can last longer.

8. (a)Define each of the following terms as used in physics

1. Volume   (ii) Moment of force

(b) An object of 100kg is lifted to a height of 5M above the ground is 3 seconds. Calculate its 

(i) Work done  (ii) Power

9. (a)Define the term pressure

(b)A rectangular object whose dimension are 1.4m by 0.1m by 2.0m, has a density of 200kg/m³. Calculate the minimum pressure when placed on a table.

SECTION C (15 Marks)

Answer Question 10

1. Define the word coulomb
2. State Ohms law
3. Two resistors of 30 and 60 are connected in parallel to a 3V battery

1. Draw a schematic diagram
2. Find effective resistance of the circuit
3. Calculate the current passing through the 60 resistor

THE PRESIDENT’S OFFICE MINISTRY OF EDUCATION, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

COMPETENCY BASED SECONDARY EXAMINATION SERIES

PHYSICSFORM ONE

TIME: 2 HOURS NOV 2022

INSTRUCTIONS

1. For each of the following items (i) – (xx) choose the correct answer among the given alternatives and write its letter beside the item number.

1. An engineer wanted to measure the diameter of a wire to the nearest 0.001cm. which of the following instruments will be used?

A. Metre rule

B. Measuring cylinder

C. Micrometer screw gauge

D. Vernier caliper E. Engineer caliper

2. Which phenomenon explain ability of some small insects to walk over a water surface?

A. Capillarity

B. Adhesion

C. Surface Tension

D. Osmosis

3. The branch of science in which the relationship between matter and energy is studied is referred to:

A. Biology

B. Chemistry

C. Physics

D. Agricultural science

E. Geography

4. Which of the following instruments work under the Pascal’s principle of pressure transmission

A. Spring balance

B. Single fixed pulley

C. Inclined plane

D. Hydraulic press

5. The process whereby materials recover the original length after removing the load or force is described as.

A. Plasticity

B. Deformation

C. Elasticity

D. Elastic limit

6. The term used to describes the ability of an object to float on a surface of liquid is classify as:

A. Floatation

B. Buoyancy

C. Density

D. Pressure

7. The quantity obtained by taking the ratio of mass per unit volume of a substance is described as:

1. A. Relative density
2. B. Density
3. C. Matter
4. D. Volume

8. How does depth affect the pressure in liquids

1. A. Pressure is inversely proportional to depth
2. B. Pressure is equal to depth
3. C. Pressure is not equal to depth
4. D. Pressure is directly proportional to depth

9. The materials which do not completely allow the light to pass through

1. A. Transparent
2. B. Translucent
3. C. Luminous
4. D. Opaque

10. What among of the following term is used to explain the tendency of a liquid to rise or fall in a narrow tube?

1. A. Diffusion
2. B. Capillarity
3. C. Adhesion
4. D. Cohesion

2. Match the meaning of the terminologies used in structure and properties of matter in LIST A with their corresponding terms in LIST B by writing the letter of the correct answer in the box beside it.

SECTION B: (70 MARKS)

Answer All Questions in this section

3. a) By using a concept of pressure explain why a tractor is designed with wide tires?

b) A rectangular block weighting 320N has dimensions of 4m x 2mx 10m. What is the greater pressure and least pressure it can be exerted on the ground?

(c). Explain why the wall of the dam is made much thicker at the bottom than at the top?

d) What is usefulness of atmospheric pressure in real life situation? (Any three)

4. a) Explain why efficiency of machines is always less than 100%?

b) An object weight in air is 6.0N and 4.0N when immersed in water. What will be its:

1. i. Up thrust in water
2. ii. Relative density
3. iii. Density

c) Givereason why a ship can move on surface of water without sinking?

5. Complete each of the following statements by writing the correct answer on the space provided

i. A tendency of an object to fall to the lower level in fluid is called …………………………

ii. An upward force exerted on object when it is totally or partially immersed in fluid is known as ……………………

iii. A product of force and perpendicular distance is known as …………………………

iv. A percentage ration of work out put to work input is known as …………………………

v. An effort of 50N used to operate a machine to lift up a load of 150N the mechanical advantage ( M.A) of the machine is ……………………

6. (a) All form two students involved in performing physics experiment in the laboratory

must be aware of safety measures. Give out four (4) measures to reduce risks during experiment [4marks]

(i) ______________________________________________________________

(ii) ______________________________________________________________

(iii) ______________________________________________________________

(iv) ______________________________________________________________

(b) Physicists are always after exact evidence. Write down six (6) critical and logical steps followed when carrying out a physics scientific investigation. [6marks]

(i) ______________________________________________________________

(ii) ______________________________________________________________

(iii) ______________________________________________________________

(iv) ______________________________________________________________

(v) ______________________________________________________________

(vi) ______________________________________________________________

7. (a) (i) Write the formula for finding pressure in liquids and state what does each letter

represent in your formula.

(b) Give any three applications of atmospheric pressure in everyday life.

(i) …………………………………..………………………………………….

(ii) ………………………………………………………………………………

(iii) ………………………………….…………………………………………....

(c) Draw and explain how a car brakes system use Pascal’s principle to operate.

8. (a) A traffic police stopped a bus with very tall carrier. As a Physics student explain the

possible danger with that bus, why? [2mark]

(b) A uniform half metre rule is freely pivoted at 15cm and balances horizontally when a body of 40g is hung from 2cm mark.

(i) Draw a clearly labelled diagram to illustrate forces on a half-metre ruler. [3marks]

(ii) Calculate the mass of the rule

9. A) state laws of reflection

b) Explain the behavior of light when it encounters translucent, transparent and opaque materials

c) Calculate number of images when the angle between two plane mirrors is:

i. 600 ii. 00

d) How the number of images formed by plane mirrors related to the angle between two plane mirrors?

SECTION C (15 Marks)

10. (a) A form two student is in the physics laboratory. He is provided with density bottle, sand, digital balance and water. He is required to determine the density of sand using the instruments provided above, show how will he determine the density of the sand?

(b) In an experiment to determine the density of sand, Sophia obtained and recorded the following results.

Mass of the density bottle, M1 = 200g

Mass of density bottle and sand, M2 = 490g

Mass of density bottle, sand and water, M3 = 550g

Mass of density bottle and water, M4 = 300g

(i) What was the density of sand?

(ii) Determine the relative density of sand.

THE PRESIDENT’S OFFICE

REGIONAL ADMINISTRATIVE AND LOCAL GOVERNMENT

FORM ONE EXAMINATIONS SEPT 2022

NEW NECTA FORMAT

PHYSICS

Instructions 

1. This paper consists of ten (10) questions. Attempt all question
2. This paper has three section A, B and C

Where necessary use the following constants 

Density of water = 1000kg/m³

Acceleration due to gravity = 10N/kg

SECTION A

1. For each of the items (i) – (x) choose the correct answer among the given alternatives

1. A person who studies physics is known as

1. Physician
2. Scientist
3. Technician
4. Physicist

2. A special room where scientific experiments are conducted is known as

1. Science Room
2. Hospital
3. Laboratory
4. Factory

3. The following are Units of fundamental quantities except

1. Kilograms
2. Kelvins
3. Microseconds
4. Watts

4. One of the following instruments is not used to measure volume

1. Vernier calipers
2. Pipette
3. Burrete
4. Measuring cylinder

5. The force of attraction between molecules of different materials is known as

1. Cohesive force
2. Adhesive force
3. Surface tension
4. Viscous drag

6. A stone is placed in a measuring cylinder as shown below

The volume of the water in the cylinder before adding the stone is 15cm³and the stone has a mass of 90g

What is the density of the stone?

1. 1.0g/cm³
2. 1.2g/cm³
3. 1.5g/cm³
4. 6.0 g/cm³

7. When pollen grains are placed on a slide having water and observed under a microscope, they are seen to move in a zigzag pattern. This kind of motion is known as

1. Kinetic theory
2. Brownian motion
3. Relative motion
4. Static motion

8. In the scientific process the variables that are known during experimentation

1. Control variables
2. Independent variables
3. Dependent variables
4. Neutral variables

9. The most important concept of physics as a subject is

1. Relate matter to energy
2. Relate matter to bonding
3. Relate Energy to composition of matter
4. Relate energy to break up of matter

10. One of the following does not works basing on the law of floatation

1. Air balloon
2. Ship
3. Beam balance
4. Submarine

2. Match items in list A with correct response in List B

SECTION B

3. (a)A form one student was told to go the laboratory per an experiment, identify four ways she should conduct herself so that the laboratory runs smoothly during her time in the laboratory

(b)Explain how Physics is related to the following

1. Mathematics
2. Biology

4. (a)What do you understand by the statement that relative density of oil is 0.9

(b)What explanation can you give for why Kerosene floats in water?

(c)A density bottle weighs 40g when empty and 65g when filled with water. When filled with another liquid it weighs 55g. What is the density of the liquid?

5. (a)Differentiate between Cohesive force and Adhesive forces

(b)In the space provided below a container filled with water in which three capillary tubes of different sizes are immersed and show how the water rises in the tube

(c) Identify three applications of Osmosis 

6. (a)State Archimedes principle

(b)A body of weight 15N in our weight 9N when completely Immersed in a liquid of density 0.8g/cm³

1. What is the apthrust acting on the body
2. What is the volume of displaced liquid

(c)In the space provided below, draw a well labelled diagram of a hydrometer

7. (a)State hooke’s law and express it in mathematical form

(b)An object with mass 100g was hung from the spring with a force constant 20N/m

How far in centimeters would the spring stretch

(c)What is the mass of an object that stretches the spring 25cm long? (take g=0.01N/g)

8. (a)Identify four characteristics of the gravitational force.

(b)A stone of mass 2kg was taken to the moon where the acceleration due to gravity is 

One-sixth that of the earth 

1. What is the mass of the stone one the moon?
2. What is the weight of the stone on the moon

9. (a)What is a scientific method

(b)Use diagrams to name all the steps involved in the scientific investigation.

(c)Name five (s) items found in a first aid kit.

SECTION C

10. (a)Draw the following apparatus and state its uses

1. Beakers
2. Thermometer
3. Micrometer Screw gauge

(b)Draw warning symbols for the following 

1. Flammable
2. Radioactive Danger

THE PRESIDENT’S OFFICE

REGIONAL ADMINISTRATIVE AND LOCAL GOVERNMENT

FORM ONE EXAMINATIONS  SEPT 2022

NEW EXAM FORMAT

031 PHYSICS

TIME: 2:30 HRS       

INSTRUCTIONS

1. This paper consists of sections A, B and C with a total of ten(10) questions
2. Answer ALL questions in the space(s) provided
3. All writings must be in blue or black ink except drawings which must be in pencil
4. All communication devices and calculators are not allowed in the examination room
5. Write your Examination number at the top right corner of every page.
6. Where necessary the following constant may be used

(i) Acceleration due to gravity g=10m/s²

(ii) Density of water = 1g/cm³ or 1000kg/m³

SECTION A (15 MARKS)

Answer ALL questions from this section

1. For each of the items (i)- (xx), choose the correct answer among the given alternatives and write its letter besides the item number in the box provided 

1. What is the name given to the people who study and work professionally in the field which relates matter and energy?

1. Scientists 
2. Gastronomists
3. Physicists 
4. Geophysicists

2. Which of the following experiments is the process of assigning numbers in measurement?

1. Qualitative experiment 
2. Quantitative experiment
3. Scientific experiment 
4. Physics experiment

3.                       Why particles in a solid state are closely packed?

1. Because they have weak force of attraction.
2. Because they have very weak force of attraction.
3. Because they have moderate force of attraction.
4. Because they have very strong force of attraction.

4.                       What differentiates a single moving pulley from a single fixed pulley?

1. In single movable pulley, load is double the effort.
2. In single fixed pulley, load is double the effort. 
3. In single movable pulley, effort is the same as load.
4. In single fixed pulley, effort is double the load.

5. Which class of levers do wheel barrows, nut-crackers and bottle openers belong?

1. Third class 
2. Second class
3. First class 
4. Fourth class

6.                       What does someone pays for if he/she buys sugar from the shop?

1. Mass
2. Density
3. Volume
4. Weight

7.                     Relative density of a substance is 2.5. What is its density?

1. Equal to the density of water.
2. Greater than the density of water.
3. Equal to the volume of water displaced.
4. Less than the density of water.

8.                   Which phenomenon explains the assertion that the narrower the tube the further the water rise?

1. Capillarity
2. Diffusion
3. Osmosis
4. Brownian movement

9.                        Which instrument will you use to measure accurately the inside diameter of a bottle neck?

1.  tape measure.
2.  micrometer screw gauge.
3.  metre rule.
4. Vernier calipers.

10. Which of the following is a safety precaution in the Physics laboratory?

1.  Doing experiment in the laboratory
2.  Handling of apparatus in the laboratory
3.  Use equipment with care in the laboratory
4. Do anything in the laboratory

2. Match the items in List A with a correct response in ListB by writing a letter of a correct response below the corresponding item number in the table provided.

SECTION B (70 Marks)

Answer all questions in this section.

3.(a) List down four uses of hydraulic press.

(b) Why is a hole at the bottom of a ship more dangerous than one that is near the surface?

(c) Calculate the pressure at the bottom of the sea water 52m deep, if the density of water is 1025 Kg/m³. Take the acceleration due to gravity (g) as ION/Kg.

4. (a) Define the following terms as applied in Physics:

(i)Machine

(ii)Load

(b) Why is efficiency of machine less than 100%? Explain briefly.

(c) Simple machine was used to raise a load of weight 4000 N through a height of 0.8 m using an effort of 800 N. If the distance moved by effort was 4.8 m, calculate the: (i) Mechanical advantage. (ii) Velocity ratio.

5.What do you understand by the following terms?

(i) Work 

(ii) Energy 

(iii) Power 

(b) Calculate the power of a pump which can lift 200kg of water through a vertical height of 6m in 10 seconds, given g =10m/s².

(c) Explain the meaning of the following terms:

(i)Kilowatt . 

(ii)Kilojoules . 

6.(a) State Archimedes principle . 

(b)Define relative density of a solid 

(c) The mass of a density bottle is 15g. When it is fully filled with a fluid of density 1.2g/cm³, its mass is 51g. Find the volume of the bottle.

7. (a) A heavy uniform beam AB of weight 500N is supported at its ends. The beam carries a weight of 3000N at a distance of 1.5m from the end A. if the beam is 4m long. Find the thrust at A and B (6 marks)

(b) Machine is a device used to simplify work. With example explain how the following simple machines do they simplify work in their respective stated area. (4 marks)

1. Inclined plane at home
2. Screw jack in garage

8. (a) You are with density bottle, water, oil and beam/ digital balance. Explain briefly the procedures you could use to determine the relative density of oil and deduce its formula. (6 marks) 

(b) A relative density bottle has a mass of 14.6g when dry and empty. Its mass is 58.1g when full of turpentine and 64.6g when full of water. Find the relative density (R.D) of turpentine. (4 marks)

9.(a) What is meant by First Aid?

(b)(i)Draw the symbols or warning signs for each of the following: Irritant

(ii)Danger of an electric shock

(iii)Toxic

(iv)Flammable

SECTION C (15 Marks)

An essay question

10.(a) Explain briefly why:

(i)Water tanks have their outlets fixed at the bottom?

(ii)A tractor with wide tyres cannot easily get stuck in muddy places as compared to vehicles with narrow tyres.

(b)     Calculate the maximum pressure exerted by a block of mass 150kg and surface dimensions of 4m by 6m by 8m resting on the table.

PRESIDENT’S OFFICE

REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

SECONDARY SCHOOL COMPETENCY BASED ASSESSMENT

PHYSICS FORM ONE

MID TERM 1- MARCH-2022

1. Physicist is a person whose occupation specializes in the science of:-

1. Biology
2. Physics
3. Mathematics
4. Chemistry

2. The ability or capacity of doing work is known as:

1. Mass
2. Matter
3. Pressure.
4. Energy.

3. The following is the fundamental subjects which other subjects use its application.

1. Physics
2. Chemistry
3. Biology
4. Mathematics.

4. Matter is________________

1.                     Anything which has got mass and occupy a space.
2.                      Anything which contains mass and volume
3.                      Scientific study of energy.
4.                     A science which deals with the study of nature and physical properties.

5. The following is the fundamental subjects which other subjects use its application.

1.                     Physics
2.                      Chemistry
3.                      Biology
4.                     Mathematics.

6. The branch of science which deals with the study of the relationship between matter and energy is:-

1.         Civics
2.         Chemistry
3.         Pshology
4.         Physics

7. Laboratory rules are useful in:-

1. Making students enjoy science subject
2. Making students conduct experiments freely
3. Ensuring safety while in the laboratory
4. Ensuring good communication with other students and the teachers.

8. Which of the following used to stop fire?

1. Matches
2. Extinguishers
3. Fuels
4. Brushes

9. A set of techniques used by scientists to investigate a problem refers to:-

1.     Data interpretation
2.     Scientific method
3.     Performing an experiment
4.     Data presentation

10. Special room that have been designed and equipped for carrying out scientific experiments is called?

1.  Class room
2.  Staff room
3.  Bed room
4.  Laboratory

11. Wire gauze used for

1.  Providing a plat form for heating stability
2.  Demonstrating thermal expansion
3.  Providing equal distribution of heat while burning
4.  As a source of heat.

12. Measurement is defined as;

1.  Assigning numbers
2. Assigning values
3. Precise description
4. Making observations.

13. Diameter of a wire can be measured using 

1. Venier caliper
2. Micrometer screw gauge
3.  Meter Ruler
4. Beam balance

14. Accurate volume of a liquid can be measure by using 

1. Volumetric flask
2.  Pipette
3. Burette
4. Cylinder.

15. A factor which affect sinking or floating is

1. Volume
2. Density
3. Mass
4. Surface area.

16. What principle did Archimedes discover?

1. Principle of volume
2. Principle of density
3. Principle of buoyancy
4. Principle of gravity.

17. Which of these gives correct formula of density?

1. D = mass x volume
2. D = mass + volume
3. D = mass – volume
4.  D = mass  volume.

18. What happens when you heat a gas?

1. It gains mass
2. It loses mass
3. It increases volume
4. It decreases volume

19. Has a weight of 15N and a buoyant force of 18N.

1.  Sinking object
2.  Floating object
3. Buoyed up object
4. Light object.

20. Force responsible for elongation and restoration of body

1. Torsional force
2. Stretching and restoring force
3. Repulsive force
4. Attractive force

2. Match the items in LIST A with corresponding word or phrase in LIST B. Write the answer on space provided.

3. Fill the gaps below

(i)                Process of assigning numbers to observation or events__________________

(ii)              _________________ is a characteristic which can be measured by instrument

(iii)            A quantity that cannot be derived from another is___________

(iv)            ______________ is SI – unit of length

(v)              Two scales of vernier caliper are ___________________  and ________________

SECTION B

3. Define the following terms.

1. Physics
2. Physicist
3. Science
4. Technology

4. List any three importance of studying Physics.

5. List any five areas where Physics is applied in real life.

6. (a) Laboratory safety is____________________________

    (b) Mention four laboratory safety procedures.

    (c) Mention five causes of laboratory accident.

7. (a) Mention five importance of first Aid

    (b) List five procedures to help a victim with small cut or wound.

8. (a) Define density

    (b) A block of metal of volume 25cm³ was dropped in water and volume raised to 65cm³. Find initial volume of water.

9. (a) List steps of scientific investigation chronologically

      (b) Mention three types of variable as applied in scientific research.

10. (a) Warning signs can be defined as________________________________

    (b) Give one example of each of the following warning sign.

(i)     Flammable: ______________

(ii)  Harmful: ________________

(iii) Explosive: _______________

THE PRESIDENT’S OFFICE

MINISTRY OF EDUCATION, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

SECONDARY EXAMINATION SERIES

PHYSICS   ANNUAL  EXAMINATIONS 

FORM ONE-NOVEMBER 2021

Time: 2:30Hours

Instructions.

1. This paper consists of section A, B and C with a total of 10 questions
2. Answer all questions.
3. Section A carries 30 marks, section B 50 marks and section C 20  Marks
4. All answers should be written in the spaces provided.
5.  All communication devices, calculators and any unauthorized material are not allowed in examination room.
6. Write your number on every page of your answer booklet.
7. Where necessary, the following constants may be used;

1. Acceleration due to gravity, g=10m/s²
2. Density of water= 1g/cm³ or 1000kg/m³

 SECTION A (30 Marks)

 Answer All questions in this section.

 1.  For each of items (i-xx) choose the correct its letter in the box provided

(i)A physicist is generally interested in studying the relationship between:

1.             composition and decomposition of matter
2.              matter and energy
3.              Physics and Chemistry
4.             Physics and energy

(ii)The measurement of mass using a beam balance uses the principle of:

1.             conservation of matter
2.              conservation of momentum
3.              gravitational pull of the Earth
4.             moments

(iii)The following instruments are used to measure length EXCEPT:

1.             hydrometer
2.              metre rule
3.              micrometer screw guage
4.             vernier callipers

(iv)According to Archimedes’ Principle, upthrust is equal to the:

1.             apparent weight
2.              volume of fluid displaced
3.              weight of fluid displaced
4.             weight of the displaced object

(v)Work and energy have the same SI unit called:

1.             calorie
2.              joule
3.              pascal
4.             watt

(vi) A student gets electric shock and falls down unconscious in a Physics laboratory. Which of the following would you do first to help the victim?

1.               Administer breathing exercise
2.              Call physics teacher
3.              Call other students
4.             Call medical doctor

(vii) An engineer wanted to measure the diameter of a wire to the accuracy of three decimal places. Which of the following instruments would you recommend to be used?

1.             Engineers callipers 
2.              Micrometer screw gauge
3.              Metre rule
4.              Vernier callipers

(viii)     An egg was immersed in a transparent liquid contained in a glass beaker. The egg was observed to float fully immersed in the middle of the liquid. What conclusion can you make from the observation? 

1.             The density of the egg is less than that of the liquid. 
2.               The density of the egg is greater than that of the liquid.
3.               The egg and liquid have the same density.
4.              The upthrust on. the egg is equal to the weight of the egg in air.

(ix)Water can exist in three states, namely:

1.             ice, liquid water and water vapour
2.              liquid, solid and fluid
3.              liquid water, solid and gas
4.             vapour, gas and ice

(x) Which one will need much force to pull or push than the other between 10 kg of stone and 10 kg of cotton?

1.             10 kg of stone will need much force than 10 kg of cotton.
2.              10 kg of cotton will need much force than 10 kg of stone.
3.              Same force will be needed in both.
4.             10 kg of stone is heavier than 10 kg of cotton.

(xi) Which of the following forces can cause the mosquito larva to float on water?

1.             Surface tension.
2.              Adhesive forces.
3.              Friction forces.
4.             Cohesive forces.

(xii) Which of the following devices is used for measuring the upper fixed point of a thermometer scale?

1.             Hydrometer
2.              Hypsometer
3.              Thermometer
4.             Barometer

(xiii)  Which of the following is a safety precaution in the Physics laboratory?

1.              Doing experiment in the laboratory
2.               Handling of apparatus in the laboratory
3.               Use equipment with care in the laboratory
4.             Do anything in the laboratory

(xiv)  Which of the following statements is correct about mass?

1.              It is measured by beam balance
2.               It is measured by spring balance 
3.               It varies with place 
4.              It can be zero.

(xv)A force which prevents a body to slide is called:

1.             stretching force.
2.              restoring force.
3.              frictional force.
4.             compressional force.

(xvi)One of the following is the condition for a body to float in water:

1.             The mass of a floating body is greater than displaced water.
2.              The density of the body must be less than the density of the fluid.
3.              The upthrust due to the liquid must be smaller than the weight of the body.
4.             The displaced water is less than the floating body.

(xvii)Density and height are factors which affect pressure in:

1.             solid.
2.              solid and liquid.
3.              liquid.
4.             gas.

(xviii)Which instrument will you use to measure accurately the inside diameter of a bottle neck?

1. Tape measure
2.        Micrometer screw gauge
3.        Meter rule
4. Vernier calipers

(xix)Which of the following are used to stop fire?

1.             Matches
2.              Extinguishers
3.              Fuels
4.             Brushes

(xx)The walls of a dam are made thicker at the bottom than at the top because the:

1.             pressure of water at the bottom is greater
2.              pressure of water at the bottom is less 
3.              weight of water at the bottom is greater
4.             weight of water at the bottom is less.

2. Match the following items.

3. Fill the gaps below

(i)                Process of assigning numbers to observation or events__________________

(ii)              _________________ is a characteristic which can be measured by instrument

(iii)            A quantity that cannot be derived from another is___________

(iv)            ______________ is SI – unit of length

 (v)             Amount of matter in a substance is _______________

SECTION B (50 Marks)

Answer all questions in this section.
4.(a) Define each of the following terms as applied in physics:

(i)Work

(ii)Energy 

(iii)Power 

(iv)Density

(b) A force of 10N acts on a stationary object of 5kg. This action causes an object to move along a smooth horizontal surface for 8 seconds before  stopping. What is the velocity of the object?

5.  State the following:

(i) Archimedes principle

(ii) Law of flotation

(b) A body has a mass of 120g and a volume of 100cm³. Will the body sink or float in water? Give reason for your answer.

6. (a) What is volume ………………………………………………………………………………….

  …………………………………………………………………………………………………………

 (b) Define relative density of a body

  …………………………………………………………………………………………………………

(c) The mass of a density bottle is 15g. When it is filled full with a fluid of density 1.3g/cm³, its mass is 51g. Find the volume of the bottle.

7. (a) Mention the steps of scientific investigation in descending order

  (i) ………………………………………………………………………

  (ii) ……………………………………………………………………..

  (iii) …………………………………………………………………….

  (iv) …………………………………………………………………….

  (v) ………………………………………………………………………

 (b) Mention at least five (5) safety rule in a Physics Laboratory

  (i) ………………………………………………………………………….

  (ii) …………………………………………………………………………

  (iii) …………………………………………………………………………

  (iv) ………………………………………………………………………..

  (v) ……………………………………………………………………….

(c) A square lead block has sides of length 5cm. If has a mass of 2kg. Calculate the density of the lead block.

 (i) In g/cm³

 (ii) Inkg/m³

8. (a) Define adhesion and cohesion.

(b) State hook's law

(c)What do you understand about capillarity?.State three uses of capillarity in daily life.

9. State Pascal’s principle of pressure

(b)What are the three factors that affect the liquid pressure?

(c) Calculate the area of a surface of an object which exerts a pressure of 0.2N/m² when a  force acting on it is 2N.

10.(a) List down four uses of hydraulic press.

(b)Why is a hole at the bottom of a ship more dangerous than one that is near the surface?

(c) Calculate the pressure at the bottom of the sea water 52m deep, if the density of water is 1025 Kg/m³. Take the acceleration due to gravity (g) as 10N/Kg.

THE PRESIDENT’S OFFICE

MINISTRY OF EDUCATION, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

SECONDARY EXAMINATION SERIES

PHYSICS MID TERM EXAMINATIONS AUG/SEPT 

FORM ONE-2021

Time: 2:30Hours

Instructions.

1.              This paper consists of section A, B and C with a total of 10 questions
2.              Answer all questions.
3.              Section A carries 30 marks, section B 50 marks and section C 20  Marks
4.              All answers should be written in the spaces provided.
5.              All communication devices, calculators and any unauthorized material are not allowed in examination room.
6.              Write your number on every page of your answer booklet.
7.              Where necessary, the following constants may be used;

1. Acceleration due to gravity, g=10m/s²
2. Density of water= 1g/cm³ or 1000kg/m³

 SECTION A (30 Marks)

 Answer All questions in this section.

 1.  For each of items (i-xx) choose the correct its letter in the box provided

(i) Relative density of a substance is 2.5. What is its density?

1. Equal to the density of water.
2. Greater than the density of water.
3. Equal to the volume of water displaced.
4. Less than the density of water.

(ii) Why does a body float in a fluid?

1. Because its density is greater than the density of the fluid displaced.
2. Because its density is less than the density of fluid.
3. Because the weight of the fluid displaced is equal to its weight.
4. Because the weight of the fluid displaced is less than its weight.

(iii) Which pair of the following parameters affects pressure at any point in a liquid at rest?

1. Density and volume
2. Depth and area
3. Area and volume
4. Depth and density

(iv) What is the name of the region surrounding a magnet in which the magnetic force is exerted?

1. Magnetic field
2. Magnetic shielding
3. Magnetic pole
4. Magnetic domain

(v)  Which of the following statements is correct about mass?

1.  It is measured by beam balance
2.  It is measured by spring balance 
3.  It varies with place 
4.  It can be zero.

(vi)  Why Physics, Chemistry and Biology are natural science subjects?

1.  They need practical and theory work for learning.
2.  They need only theory for learning.
3.  They need practical work only.
4.  They need only observation.

(vii)  When a body of mass M, is lifted through a height h, it possesses the energy known as

1.  kinetic energy. 
2. chemical energy.
3. light energy.
4. potential energy.

viii) When a body floats on liquid, its:

1.  weight-is greater than the upthrust 
2.  weight is equal to the upthrust
3. weight is less than the upthrust
4. volume is greater than the volume of liquid displaced

(ix) A student gets an electric shock and falls down unconscious in a Physics laboratory. Which of the following would you do first to help the victim: 

1. administer breathing exercise
2. call the physics teacher
3. call other students
4. call a medical doctor

x) A student gets electric shock and falls down unconscious in a Physics laboratory. Which of the following would you do first to help the victim?

1.   Administer breathing exercise
2. Call physics teacher
3. Call other students
4. Call medical doctor

(xi)According to Archimedes’ Principle, upthrust is equal to the:

1. apparent weight
2. volume of fluid displaced
3. weight of fluid displaced
4. weight of the displaced object

(xii)The measurement of mass using a beam balance uses the principle of:

1. conservation of matter
2. conservation of momentum
3. gravitational pull of the Earth
4. moments

(xiii)A physicist is generally interested in studying the relationship between:

1. composition and decomposition of matter
2. matter and energy
3. Physics and Chemistry
4. Physics and energy

(xiv)        The following instruments are used to measure length except:

1. hydrometer
2.   metre rule
3. micrometer screw gauge 
4.  vernier callipers

(xv)Juma wanted to measure the volume of a stone with an irregular shape. Which of the following pairs of instruments would you recommend that he use?

1. Measuring cylinder and metre rule
2. Measuring cylinder and overflow can
3. Metre rule and overflow can
4. Metre rule and beaker

(xvi) A stone is found to have 50 kg by mass at Moshi. When sent to Dar es Salaam its mass will be: 

1. 50kg
2. 60kg
3. 100kg
4. 150kg

(xvii)A victim of electric shock is helped by:

1.  artificial respiration
2. being rushed to the hospital
3. drinking enough water
4. .having bed rest

(xviii)One of the following is not a pair of forces:

1.  attraction and repulsion
2. gravity and diffusion
3. torsion and gravity
4. upthrust and weight

(xix)When buying sugar from a shop you pay for its:

1. density 
2.  mass
3.  volume 
4.  weight

(xx)A clinical thermometer differs from other thermometers because it:

1.  can be used to measure the temperature of ice 
2.  can be used to measure the temperature of melting iron 
3.  .has a constriction
4. .is very small

 (i) The following are fundamental quantities in mechanics except:

1. .length
2. .mass
3. .time
4. .weight 

2. Match the following items.

3. Complete each of the following statements by writing the correct answer in the space provided

1. Pressure in liquids depends on…………………………………
2. Quantity of matter in a substance is called………………….
3.  Basic physical proportions of measurement which cannot be obtained from any other proportions by either multiplication or division are called.
4. The relative density of a liquid can be easily determined by 
5. The quantity of space that an object occupies is known as

SECTION B (50 Marks)
Answer all questions in this section.

4.(a) State two conditions for a body to be in equilibrium.

(b) Distinguish between centre of mass and centre of gravity.

(c) A uniform metre rule AB is balanced horizontally on a knife edge placed 5cm from B with a mass of 60g at B. Find the mass of the ruler.

5.(a) Define the following terms as applied in Physics:

(i)Machine

(ii)Load

(b) Why is efficiency of machine less than 100%? Explain briefly.

(c) Simple machine was used to raise a load of weight 4000 N through a height of 0.8 m using an effort of 800 N. If the distance moved by effort was 4.8 m, calculate the: (i) Mechanical advantage. (ii) Velocity ratio.

6.State Pascals principle of pressure

(b)What are the three factors that affect the liquid pressure?

(c) Calculate the area of a surface of an object which exerts a pressure of

0.2N/m² when a force acting on it is 2N.

7.(a) What are the uses of the following devices?

(i)Manometer

(ii)Heres apparatus (inverted U-tube) 

(iii) U-tube ....

(iv) Barometer 

(b) Explain why a big elephant manages to walk comfortably in maddy soil without sinking while a human being may sink easily.

(c) Draw a well labelled diagram which demonstrates that liquid pressure depends on depth.

8.(a)(i)Define friction.

(ii) Identify three effects of force.

(b) (i) Define density and give its SI unit.

(ii) List three applications of density in real life.

SECTION C (20 Marks)
Answer all questions in this section.

9.  State the following:

(i) Archimedes principle

(ii) Law of flotation

(b) A body has a mass of 120g and a volume of 100cm³. Will the body sink or float in water? Give reason for your answer.

10.a) Mention types of mechanical energy

b)A body of mass 10kg is raised to a height of 4 metres above the ground in 2 seconds.

(i)Find the energy possessed by the body after raising it.

(ii)What type of energy is possessed by the body?

THE PRESIDENTS OFFICE

MINISTRY OF REGIONAL GOVERNMENT AND LOCAL GOVERNMENT

AUGUST-SEPTEMBER EXAMINATION SERIES

PHYSICS FORM-1

2020

TIME: 2:30 HRS

Instructions

1. This paper consists of sections A, B and C with a total of ten (10) questions.

2. Answer all questions.

3. All answers must be written in the spaces provided

4. All writing must be in blue or black ink except drawings which must be in pencil.

5. All communication devices, calculators and any unauthorized materials are not allowed in the examination room.

6. Write your Examination Number at the top right hand corner of every page.

7. Where necessary the following constants may be used:

(i) Acceleration due to gravity, ³g = 10m / s². 3 (ii) Density of water = 1g / cm or 1000kg / m .

SECTION A (30 MARKS)

(i) Which of the following is a safety precaution in the Physics laboratory?

1. Doing experiment in the laboratory
2. Handling of apparatus in the laboratory
3. Use equipment with care in the laboratory
4. Do anything in the laboratory

(ii) Which instrument will you use to measure accurately the inside diameter of a bottle neck?

1. tape measure.
2. micrometer screw gauge.
3. metre rule.
4. Vernier calipers.

(iii) When a body of mass M, is lifted through a height h, it possesses the energy known as

1. kinetic energy.
2. chemical energy.
3. light energy.
4. potential energy.

(iv) Which of the following is an example of a third class lever?

1. Scissors
2. Fishing pole
3. Pliers
4. Nut cracker

(v) Which of these resources of energy is non-renewable?

1. Wave energy
2. Biofuels
3. Radiant energy
4. Fossil fuel

(vi) A set of techniques used by scientists to investigate a problem refers to:

1. data interpretation.
2. scientific method.
3. performing an experiment
4. data presentation.

(vii)One of the following is the condition for a body to float in water:

1. The mass of a floating body is greater than displaced water.
2. The density of the body must be less than the density of the fluid.
3. The upthrust due to the liquid must be smaller than the weight of the body.
4. The displaced water is less than the floating body.