FORM TWO PHYSICS TERMINAL EXAMS

PRESIDENT OFFICE REGIONAL ADMNISTRATION

AND LOCAL GOVERNMENT

SECONDARY EXAMINATION SERIES 

COMPETENCE BASED ASSEMENT

PHYSICS FORM TWO

TERMINAL EXAMS-MAY – 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. 15 MARKS

  1. For each of the items (i) – (x) Choose the correct answer among the given alternatives write its letter in box provided
  1. A cooking oil was mixed with water and poured into a measuring cylinder and allowed to settle for three minutes, which one will be the observed phenomenon?
  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.
  1. If two cars are both travelling at 50Km/h and they collide head on, the effect is similar to a car colliding with a wall at what velocity?
  1. 0 km/h
  2. 10 km/h
  3. 50 km/h
  4. 100 km/h
  1. A house building contractor fitted window glass panes which someone cannot see through, but the rooms are fully illuminated with light. These types of glass pane materials are said to be:
  1. Dim 
  2. Opaque 
  3. Translucent 
  4. Transparent
  1. The substance which is lighter has low density and less affected by gravitational force. In comparison with water, the number of times a substance is denser than water is termed as?
  1. Density
  2. Relative density
  3. Volume
  4. Mass
  1. Which phenomenon explain ability of some small insects to walk over a water surface?
  1. Capillarity
  2. Adhesion
  3. Surface Tension
  4. Osmosis
  1. Which of the following instruments work under the Pascal’s principle of pressure transmission
  1. Spring balance
  2. Single fixed pulley
  3. Inclined plane
  4. Hydraulic press
  1. The process whereby materials recover the original length after removing the load or force is described as.
  1. Plasticity
  2. Deformation
  3. Elasticity
  4. Elastic limit
  1. The quantity obtained by taking the ratio of mass per unit volume of a substance is described as:
  1. Relative density
  2. Density
  3. Matter
  4. Volume
  1. Materials can be twisted into different shapes. Which among the following forces causes twisting of elastic materials?
  1. Restoring force
  2. Compressional force
  3. Stretching force
  4. Torsional force
  1. A machine with effort between load and fulcrum belong to which class of lever?
  1. First class lever
  2. Third class lever
  3. Second class lever
  4. Fourth class lever

2. Match the description of electric terms in list A with the correct electric terms in list B by writing a letter of the correct response below the corresponding item number in the table provided


List A

List B

(i) The flowing of charge per unit time

(ii) The instrument which used to measure current in wire

(iii) A potential difference across the cell terminal as when no power delivered

(iv) Is the instrument which used supply electric energy 

(v) Is a continuous path through which electric charge flows

  1. Electric component
  2. Electric circuit
  3. Electric current
  4. Electric force
  5. Ammeter
  6. Mill ampere
  7. Electromotive force
  8. Voltage
  9. Battery
  10. Galvanometer
  11. Bulb

 

SECTION B. 70 MARKS

ANSWER ALL QUESTIONS FROM THIS SECTION

 

3

 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?

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

(b)By using the principle of Moment determine unknown Weight (W) on the fig below.

 

 

(c)A machine having velocity ratio (V.R) of 5 need an effort of 240N to raise a load of 720N. How much 

i. mechanical advantage

ii. Efficiency (e)

 

5.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:

i. Up thrust in water

ii. Relative density

iii. Density

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

 

6. a) Kinetic energy potential energy are forms of mechanical energy. Give comparison and differences between them

b) A car of mass 4tones travels at velocity of 4m/s .How much kinetic energy developed?

c) How much power developed when a crane lifts a container of mass 500kg through a height of 5m in 10sec ?

 

7. (a) When the metal can that containing hot water is closed, and the cold water is poured on it, the can collapses. Why?

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

(i) What is the relative density of methanol?

(ii) If the length of methanol column was altered to 21.5 cm what would be the new height of the water column?

 

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

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

 


9. (a) Write down three equations of uniform acceleration of motion and explain the meaning of each symbol used in the equation.

(b)The football P of mass 0.5 kg was kicked by a goalkeeper at 12 m/s and collides with another football Q of mass 0.45 kg which was at rest. After the collision both balls move off together at 10 m/s. Calculate:

(i) The momentum of ball P before collision

(ii) The momentum of ball P after collision

 

SECTION C. 15 MARKS

ANSWER QUESTION 10

10. Three resistors of 2 Ω, 4 Ω   and 6 Ω   are connected in series to a battery of e.m.f 24 V and have negligible internal resistance.

(a) Draw the circuit diagram including the battery, ammeter, switch and the three resistors.

(b) Find the current flowing in the circuit drawn in 10 (a) above.


(c) Find the potential difference at the ends of each resistor in 10 (a).

FORM TWO PHYSICS EXAM SERIES 149  

FORM TWO PHYSICS EXAM SERIES 149  

THE PRESIDENT’S OFFICE

MINISTRY OF EDUCATION, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

SECONDARY EXAMINATION SERIES

PHYSICS TERMINAL EXAMINATIONS MAY

FORM TWO-2022

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)The formed by a plane mirror is always

  1. Smaller than the object
  2. Virtual
  3. Large that the object
  4. Real

(ii)A body which gains excess electrons becomes 

  1. Negatively charged
  2. Positively charge
  3. Electrified
  4. Both A and B are correct

(iii)Which of the following is not a form of energy?


  1. Light
  2. Friction
  3. Magnetism
  4. Electrons


(iv)A person in a bus which starts to move forward tends to fall backwards. This is because he/she is obeying:

  1. The Principle of moment
  2. The Newton’s third law of motion
  3. The Newton’s second law of motion
  4. The Newton’s first law of motion

(v)When a body floats in water

  1. It displaces its own volume of water
  2. The mass of the water displaced by the body is equal to its own mass
  3. It weights the same as in air
  4. The downthrust is more than the upthrust

(vi)The velocity-time graph has a slope which represents 


  1. Displacement
  2. Acceleration
  3. Velocity
  4. Speed


(vii)Work and energy have the same SI unit of 


  1. Calorie
  2. Joule
  3. Walt
  4. Pascal


(viii)Heat energy is transferred from the sun to the earth by the process of 


  1. Convection
  2. Radiation
  3. Conduction
  4. None of the above


(ix)A wheelbarrow is an example of 


  1. First class lever
  2. Third class lever
  3. Complex machine
  4. Second class lever


(x)When charging a body by rubbing with either fur or skill the particles which are transferred are 


  1. Protons and electrons
  2. Protons
  3. Electrons
  4. Nuclei


(xi)current electricity can be measured in 


  1. Ohms
  2. Coulomb
  3. Volt
  4. Milliampere


(xii)A piece of metal of volume 10cm3 has a mass of 65.5kg. The density of metal is


  1. 65.5kg/m3
  2. 6.55kg/m3
  3. 655kg/m3
  4. 0.655kg/m3


(xiii)Umbra refers to 


  1. Partial shadow
  2. Midnight
  3. Total shadow
  4. Moon


(xiv)When a narrow glass tube is dipped into mercury

  1. The adhesion of molecules of mercury is stronger than the cohesion of molecules of mercury
  2. The meniscus of mercury in a glass vessel curves upwards.
  3. Mercury experiences a downwards force equal to its weight.
  4. The level of mercury in the tube drops below that of the surrounding

(xv)A piece of metal of volume 0.24cm3 and mass 0.72 has a relative density (R.D) of 


  1. 3.0g/cm3
  2. 3.0
  3. 3.0kgm3
  4. 0.3


(xvi)A body which sinks in water has its density 

  1. Less than that of water
  2. Larger than that of water
  3. Equal to that of water
  4. Less or equal to that of water

(xvii)The mechanical advantage of a machine is 4. Find the effort needed to operate a machine of the load 1000N.


  1. 40N
  2. 2800N
  3. 250N
  4. 1999N


(xviii)A force exerted by a pressure of 20N/m2 acting over an area of 2m2 is


  1. 10N
  2. 18N
  3. 22N
  4. 40N


(xix)What is the acceleration of a body of mass 30kg when constant force of 150N is applied on it?


  1. 50m/s2
  2. 0.5m/s2
  3. 5.0m/s2
  4. 0.05m/s2


(xx)As the balloon goes up, the weight of air displaced becomes less and less. This means that the upthrust


  1. Is increased
  2. Is reduce
  3. Is exactly equal to its weight
  4. Remains constant


 

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

LIST A

LIST B

  1. The force used to operate a machine
  2. An example of 3rd class lever
  3. Ratio of number of teeth in a driven wheel to the number of teeth in driving wheel
  4. The force that causes the efficiency of a machine to be less than 100%
  5. It is used to lift heavy weights using small effort
  1. Knife
  2. Lever
  3. Inclined planed
  4. Friction
  5. Wheelbarrow
  6. Effort
  7. Velocity ratio



 

3.

  1. The Fundamental law of electrostatics charge state (i)______ (ii)_____
  2. Substance which allows electricity pass through are called ___________
  3. A point at which the resistant of Magnetic flux density is zero is called
  4. Water wets glass but mercury does not we because _______
  5. Lubricant are applied in machine in order to _______

4.(a)Differentiate between real weight and apparent weight of an object as applied in physics 

(b)A solid weighs 64N in air and 48N when totally immersed in a liquid of density 0.8g/cm3 calculate

  1. The upthrust on the solid
  2. The volume of the solid
  3. The density of the solid

5(a)The two uses of a gold leaf electroscope are …………….

(b)In verification of Ohm’s law the following circuit was used during the experiment

 

 

 

 

 

  1. P: represents ……………………...
  2. Q: represents ……………………...
  3. S represents ……………………...
  4. T: represents ……………………...
  5. F: represents ……………………...
  6. K: represents ……………………...

6(a) mention two examples of magnetic materials

(b)Name the materials which when rubbed with a dry cloth become

  1. Negatively charged
  2. Positively charged

(c)State two conditions for a body to be in equilibrium:

 

7(a)Distinguish between upthrust and apparent weight.

(b)The apparent weight of a body is 6.4N. If the weight of liquid displaced is 4.7N, what is the weight of the body in air?

 

8(a)A car with a velocity of 90m/s is uniformly retarded and brought to rest after 10seconds. Calculate its deceleration

(b)State the fundamental law of static electricity 

(c)Explain what is wrong in the circuit diagram shown below.

 

9(a)Mention the type of mechanical energy 

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

  1. Find the energy possessed by the body after raising it
  2. What is the type of energy possessed by the body?

 

10.The mass of an empty density bottle was 50g. When filled with a certain liquid of volume 20cm3 its mass became 75g. Find the

  1. Density of the liquid
  2. Relative density of the liquid

FORM TWO PHYSICS EXAM SERIES 100  

FORM TWO PHYSICS EXAM SERIES 100  

Download Learning
Hub App

For Call,Sms&WhatsApp: 255769929722 / 255754805256