FORM TWO PHYSICS MIDTERM EXAMS

PRESIDENT OFFICE REGIONAL ADMNISTRATION

AND LOCAL GOVERNMENT

SECONDARY EXAMINATION SERIES 

COMPETENCE BASED ASSEMENT

PHYSICS FORM TWO 

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:
  8. Acceleration due to gravity, g=10m/s2
  9. 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

(i) 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.

(ii) 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 

(iii) 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.


(iv) 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


(v) 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


(vi) 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

(vii) 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


(viii) 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


(ix) The term used to describe the ability to of an object to float on a surface of a liquid is classified is

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


(x) 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.

 

LIST A

LIST B

  1. The ratio of distance moved by effort to the distance moved by load
  2. The ratio of the load raised steadily by a machine when an effort or force in applied 
  3. A fixed wheel with a rope passing round a groove in wheels circumference 
  4. The ratio of the work output to the work input times 100%
  5. Consists of a rigid bar that moves about a fixed point.
  1. Simple pulley 
  2. Combination pulley
  3. Efficiency
  4. Lever
  5. Mechanical advance
  6. Single fixed pulley
  7. The Block and Tackle pulley system
  8. Velocity ratio

 

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

(i) What will be maximum height covered 

(ii) 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

(i) Upthrustin water

(ii) Relative density 

(iii) Density 

(iv) 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

(i) What is the relative density of methanol?

(ii) 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 

(i) 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

10. (a)

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

(b) 

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

FORM TWO PHYSICS EXAM SERIES 139  

FORM TWO PHYSICS EXAM SERIES 139  

                                            PRESIDENT’S OFFICE

REGIONAL ADMNISTRATION AND LOCAL GOVERNMENT

MID TERM ONE EXAMINATIONS 

PHYSICS  FORM TWO

       031                                                                      

TIME: 2:30 HOURS                                                         March 2022

image

                                                                                     

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 writings must be in blue or black ink EXCEPT drawings which must be in pencil.

5.      Calculators, cellular phones and any unauthorized materials are not allowed in the examination room.

 

6.      Write Your Examination Number on the top right of every page.

7.      You may use the following constants in your calculations: (i) Density of water = 1.0 g/cm3 or 1000kg/m3 (ii) Acceleration due to gravity, g = 10m/s2.

FOR EXAMINER’S USE ONLY

QUESTION

NUMBER

SCORE

EXAMINER’S INITIALS

1

 

 

2

 

 

3

 

 

4

 

 

5

 

 

6

 

 

7

 

 

8

 

 

9

 

 

10

 

 

CHECKER’S INITIALS

 

 

SECTION A: (30 Marks)

Answer all questions in this section

1.For each of the items (i) – (xx), choose the correct answer among the given alternatives and write its letter beside the item number: (i)       One joule work is said to be done when:

A.    A force of IN displaces a body by 1cm in direction of force

B.     A force of IN displaces a body by 1m in direction force

C.     A force of IN displaces a body by 1km in direction of force 

D. A force of IN displaces a body by 1mm in direction of force. 

 

(ii)              In an electric cell while in use, the change in energy is from:

A. Electrical to mechanical B. Chemical to mechanical

C. Electrical to chemical D. Chemical to electrical.

 

(iii)            Diffusion occurs more quickly in a gas than in a liquid because:

A.    The liquid contains a layer on its surface

B.     The gas contains semi-permeable membrane

C.     The gas molecules is small in size compared to the liquid molecules

D.    The speed of molecules in gas is greater than in liquid.

 

(iv)             In a process of charging by induction in static electricity:

A.    A conductor is rubbed with an insulator

B.     A charge is produced by friction

C.     Negative and positive charges are separated

 D.A positive charge induces a positive charge.

 

(v)               For an ideal machine, the ratio of mechanical advantage and velocity ratio is: A. Greater than one

B.     Less than one

C.     Equal to one

D.    Depends on value of load.

(vi)             An object weighs 12N in air and 9N when totally immersed in water. The relative density of the object is:

A.    3g/cm3

B.     4g/cm3

C.     3

D.    4.

(vii)          The rise of a liquid level in a tube due to cohesion and adhesion forces is called:

A.    Capillarity

B.     Surface tension 

C. Meniscus

D. Osmosis.

(viii)        The hydrometer is calibrated in such a way that has small number at the top of its stem, this is because:

A.    It sinks more in less denser liquids than in more denser liquids

B.     It sinks less in less denser liquids than in more denser liquids C. To enable it to stand up right when taking measurements

D. To make it more sensitive.

 

(ix)             The density of pure solid copper is 8.94g/cm3. What volume does 5 kilograms of copper occupy? A.559.3cm3

B.     0.5593cm3

C.     44.7cm3 

D. 1.788cm3.

 

(x)               The temperature of Dar es Salaam town was 32oC. This is equivalent to….

A. 306K B. 241K

C. 305K D. 205K.

 

(xi)             An instrument which can be used to observe objects out of direct vision is called:

A.    Microscope

B.     Periscope

C.     Plane mirror

D.    Telescope.

 

(xii)          A ball of mass 0.6kg is kicked vertically upwards up to a height of 6m. The potential energy acquired by the ball is:

A.    0.36J

B.     3.6J

C.     36J 

D. 360J.

 

(xiii)        A measuring cylinder contains liquid to a level X. An object of volume Z is totally immersed in the liquid contained in the cylinder. The new reading of the liquid level will be:

A.    Z

B.     X-Z

C.     X+Z 

D. Z-X.

 (xiv) A soldier firing a bullet from a gun experience a jerking effect as the bullet leaves the gun. This phenomenon is explained by:

A.    Newton’s first law of motion

B.     Newton’s second law of motion

C.     Newton’s third law of motion

D.    Principle of conservation of linear momentum.

 

(xv)           The image formed in a plane mirror is always:

A.    Virtual, magnified, the same size

B.     Magnified, vertical and lateral inverted

C.     Diminished, real, lateral inverted 

D.    The same size as object, virtual and upright.

 

(xvi)         Which instrument is used to measure diameter of a constantan wire SWG 28?

A.    Vernier calipers

B.     Tape measure 

C. Micrometer screw gauge

D. Engineer calipers.

 

(xvii)      The property of material to return to its original size is called:

A.    Compression

B.     Elasticity

C.     Plasticity 

D. Elastic limit.

 

(xviii)    The magnetic needle, free to turn in a vertical plane, is suspended first at the earth’s South magnetic pole and then at a point on the magnetic equator. The respective angles between the needle and horizontal are:

A.    0o and 0o

B.     70o and 70o

C.     0o and 90o 

D. 90o and 0o.

 

(xix)         The acceleration of a moving object may be found from:

A.    The area under its velocity – time graph

B.     The slope of the velocity – time graph

C.     The area under its distance – time graph

D.    The slope of the distance – time graph.

 

(xx)           The force of friction between layers of liquid is called:

A.    Surface tension

B.     Viscous force

C.     Compressional force

D.    Torsional force.

 

 

 

 

 

 

2.      Match the items in LIST A with the responses in LIST B by writing the letter of the corresponding response beside the item number in the answer sheet provided.

 

LIST A

LIST B

(i)

(ii)

(iii)

(iv)

(v)

Frictional force

Viscosity

Gravitational force

Torsional force

Stretching force

A.    A book experiences a force directed towards the earth 

B.     Force passed through a rope

C.     Resistance of honey to flow

D.    Resistance to the movement of brick on ground

E.     Twisting ruler between both hands

F.      Support force exerted upon an object

 

Answers:

LIST A

(i)

(ii)

(iii)

(iv)

(v)

LIST B

 

 

 

 

 

 

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

(i)       Small deviation of measured value from true value is called  ____________________

(ii)    Charging without contact is called  ________________________________________

(iii)  Potential difference of a cell when is not connected in complete electric circuit is 

_________________________________________________________________

(iv)   A device used to detect the sign of charges in a body is  ______________________

(v)     The material placed between capacitor’s plates is called  ______________________

SECTION B: (50 Marks)

Answer all questions in this section

4.      (a) A body dipped in a liquid experiences an upthrust. Explain three factors on which the upthrust depends:

                                                                                                                        03 marks         

(b)    An object was totally immersed in a liquid contained in a vessel. The two opposite forces acting on the object are.

                         

(c)    State how the forces in (b) above should be to make an object float:

                                                                                                                                                                02marks

4.    (d)   When a body is totally immersed in a liquid it weighs 3.2N. If the weight of liquid              displaced is 1.5N. Find the weight of a body in air.

                                                                                                                                                                03 marks

5.(a) Asha opens a bottle of perfume at the front of the room. After few minutes the smell           reaches the whole of the room. Explain why is it happening.  

     (b) Why shriveled prune placed in water swells?

     (c) Draw the magnetic field between two unlike magnetic poles that are close to one   another.

image

 

6.    (a)  State the principle of moments

       (b)  Give two ways that a mechanics can use to increase spanners turning effect.

 (c)  Draw the diagrams showing three different types of common equilibriums

image

                                                                                                          @02 marks

 

7.   (a)  Explain the meaning of linear momentum of a body 02 marks

 

(b)     How is a force is related to the linear momentum of a body? 

 

(c)     A body has mass of 50kg and a linear momentum of 3000kg ms-1. Find its:

                (i)        Velocity of the body

(ii)       Kinetic energy of the body

 

8. (a) State the two common applications of an atmospheric pressure.

(i)              

(ii)            

02marks 

(b)   Briefly explain why a woman wearing shoes with pointed heels is more likely to     cause damage to a wooden floor than an elephant?

                                                                                                                                        03 marks

     (c) A rectangular tank measures 3m by 2m contains water to a height of 2m. Find

(i)        The pressure on the base of the tank.                                                      03 marks

 

 

(ii)      Thrust on the base of the tank.                                                    02 marks SECTION C: (20 Marks)

Answer all questions in this section

 

9.(a) Draw the pulley system with the velocity ratio of 4.

 

02 marks

(b)A machine of velocity ratio of 4 needs 2000J of energy to lift the load of 400N through a vertical distance of 2.5m.

(i)       Determine the work out put                                      02 marks

 

(ii)    Determine the efficiency of the machine

 

 

(b)               (iii)            Mechanical advantage of a machine              02 marks

 

(c)               A screw jack has a screw pitch of 4mm and the effort arm of 16cm. Determine the percentage efficiency of this screw jack, if it needs an effort of 50N to lift a load of 750N?

10.Three capacitors of 3 microfarad, 2 microfarad and 6 microfarad are connected in series when a battery of 30Volts is connected to this combination.

 

         (i)Draw the electric circuit of this combination.                                    04 marks

image

 

(a)               (ii) Find the charge in 3 microfarad                                 03 marks

 

 

(b)               An ohmic conductor has a voltage drop of 9 volts measured across it. The current in the conductor is 3A. What is the resistance?

 

 

FORM TWO PHYSICS EXAM SERIES 87  

FORM TWO PHYSICS EXAM SERIES 87  

Student’s Examination No.........................................

THE PRESIDENT’S OFFICE

MINISTRY OF EDUCATION, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

SECONDARY EXAMINATION SERIES

PHYSICS MID TERM EXAMINATION

FORM TWO-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. Choose the most correct answer from the given alternatives and write its letter in the box provided:
  1. The SI Unit of the basin quantities we have to measure in mechanics are:
  1. Newton watts kilogram   c) Kilogram, meter and second
  2. Newton, kilogram and second  d) Newton, meter and second
  1. A length of 680cm is equal to;
  1. 6.8m  b) 68m  c) 68000m d) 0.68m
  1. A body of mass 9kg has weight of;
  1. 9.00N  b) 0.90N c) 0.09N d) 90N
  1. The density of block with dimensions  and mass of 2.4kg is;
  1.    c)
  2.     d)
  1. A body weighs 11.8N when totally immersed in a liquid displaced in 4.8N. the weight of the body in air is:
  1. 7.6N  b) 16N  c) 2.8N  d) 49.56N
  1. The law of magnetic poles states that:
  1. Like poles attract each other unlike pole repel
  2. Unlike poles attract each other like pole repel
  3. Like pole can neither attract each other while unlike pole repel
  4. A, B, C are correct answer
  1. SI Unit of pressure is;
  1. Watt  b) N/M² c) Newton d) Joule
  1.  A potential difference of 12N is applied across 9 resistor of resistance 120

FORM TWO PHYSICS EXAM SERIES 56  

FORM TWO PHYSICS EXAM SERIES 56  

 

THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATIONS COUNCIL OF TANZANIA

FORM TWO MIDTERM EXAMINATION

PHYSICS

Duration: 2:30 Hours

INSTRUCTIONS.

  1. This paper consists of sections A, B and C with a total of TEN (10) questions.
  2. Answer all questions 
  3. All writing must be in blue or black ink except drawing which must be in pencil.
  4. Calculators, cellular phones and any unauthorized materials 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;

  Acceleration due to gravity, g = 10m/s2

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

 SECTION A (30 Marks)

Answer all questions in this section.

 (i) The term buoyant mean

  1. Float
  2. Push
  3. Flying
  4. Sink

(ii) An ice – cake is pushed to the top of glass of water by

  1. Buoyant force
  2. Density
  3. Compressed air
  4. Sinking object

(iii) Force responsible for elongation and restoration of body

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

(iv) The SI –Unit of force is

  1. Newton
  2. Gravity
  3. Meter per second
  4. Meter squared.

(v) The process whereby material loose or gain electrons is known as:-

  1. Charging
  2. Magnetization
  3. Earthing.
  4. polarizing

 (vi) The following are methods of charging.

  1. Friction, conduction and reduction
  2. Conduction, friction and convection
  3. Induction, conduction and Friction.
  4. Friction, rubbing, reduction

 (vii) The device which produces numerous positive charges from a single negative charge is called?

  1. Gold leaf electroscope
  2. Electrophorus
  3. Earth wave
  4. magnet

(viii) A box block with rectangular shape, measuring 10cm, by 5cm by 5cm by 2cm has a density of given mass is 200g;

  1. 4g/cm3
  2. 2g/cm3
  3. 1g/cm3
  4. 100g/cm3

 (ix) Which is not true about relative density?

  1. Pure water is used in its calculation
  2. Relative density is calculated by comparing its density with water
  3. Pure water has density of 1000kg/m3
  4. Relative density has no unit.

(x) What happens to its potential energy when object is taken to high attitude?

  1. Its potential energy increases
  2. Its potential energy decrease
  3. Its potential energy remains same
  4. None of the above.

(xi) What is the formula of potential energy?

  1. Mv2
  2. mgh
  3. mgh2
  4. pgh.

(xii) 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.

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

  1. Tape measure
  2. Micrometer screw gauge
  3. Meter ruler.
  4. Vernier Calipers.

(xv) Which of the following statement 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

(xvi) A hydrometer is an instrument used to measure

  1. The volume of liquids
  2. The density of liquids 
  3. The density of solids
  4. The volume of solids.

(xvii) 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

(xviii) Capacitance is?

  1. Ability of the capacitor to resist the flow of electric current.
  2. Ability of the resistor to store electric. 
  3. Ability of the capacitor to store electric charge.
  4. Ability of capacitor to loose charge

 (xix) A giant electric spark that arises due to discharge of atmospheric electricity is known as.

  1. Thunderstorm
  2. Lightining
  3. Electric shock.
  4. Static electricity

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

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

 2. Match the phase in List A with responses in List B by writing the letter of the correct response in List B.

LIST A

LIST B

  1. Positive charge
  2. Cellulose
  3. Induction method
  4. Gold leaf electroscope
  5. Factors affecting capacitance
  6. Lightning conductor.
  1. Area, dielectric materials and distance between plates.
  2. Detect the presence of charge on a body.
  3. Metal rod with tip has sharp spikes attached to a build.
  4. Obtained when a body loose electrons.
  5. Become positively charged when rubbed with woolen cloth.
  6. When two bodies charged and uncharged brought near to each other.

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

  1. Basic physical proportions of measurement which cannot be obtained from any other proportions by either multiplication or division are called……………………
  2. Staircases, winding roads uphill, wedges and screw are physical example of……………
  3. The resistance of a body to change its state of rest is called……………..
  4. Objects which emit light when they are hot are called……………..
  5. A property that enables a mosquito to walk in water is…………….

 SECTION B (50 Marks)

4. (a) What do you understand by the following terms?

  1. Work
  2. Energy
  3. Power

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

  (c) Two capacitors of 20MF and 25MF are connected in 

 (i) In series

 (ii) In parallel.

 What is the effective capacitance for (i) and (ii)?

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

  1. Manometer.
  2. Hare’s apparatus (inverted U – tube)
  3. U – tube
  4. Barometer 

 (b) Why a big Elephant manage to walk comfortably in mad soil without sinking while human being may sink easily?

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

6. (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 

7. (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.

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) Define the term Osmosis.

 (b) Explain application of Osmosis in daily life

10. (a) What is the difference between elastic and plastic materials?

 (b) State application of capillarity in daily life.

FORM TWO PHYSICS EXAM SERIES 6  

FORM TWO PHYSICS EXAM SERIES 6  

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