LEARNING HUB TANZANIA

PHYSICS EXAMINATION FORM TWO

MODEL  EXAMINATIONS.

 

NAME………………………………………..CLASS……………………………………………….TIME: 2:30HRS

INSTRUCTIONS:-

-          This paper consists of section A, B and C

-          Answer all questions

-          All answers must be clearly, neatly and systematically written, dirty work will not be marked

-          The following constants may be used: Acceleration due to gravity g = 10m/s²,                 Density of Hg = 13.6g/cm3 or 13600 kg/m³, Density of water = 1g/cm³ or 1000 kg/m³

 

SECTION A.

1. Choose the most correct answer and write its letter in the box provided at each item number.

(i)                Physics is applied in many fields such as

1. Energy and books
2. Matter and examination
3. Industry and medicine      
4. Garage and school

 

(ii)              In a block and tackle pulley system, the velocity ratio is given by

1. Number of strings in the pulley
2. Effort arm divide by load arm
3. Distance moved by load divide by distance moved by effort    Number of pulleys in the system

 

(iii)            The following instruments are used to measure length except

1. Vernier caliper
2. Spring balance
3. Meter ruler       
4. Tape measure

 

(iv)            The boiling point of water at Dar-es-salaam is 100 the boiling point of water at mount Kilimanjaro is

1. Above 100
2. 100    
3. Less than 100
4. None of the above.

(v)              Mirrors are able to form images because

1. Magnification
2. The reflection of light      
3. The regular reflection of light
4. The irregular reflection of light

 

(vi)            If a force of 10N, acting continuously increasing the kinetic energy of object from 20J to 60J. the distance moved by the object is then

1. 6m
2. 2m
3. 4m       
4. 600m

 

(vii)          The basic physical quantities are

1. Volume, mass and pressure
2. Length, time and mass     
3. Mass, length and volume
4. Pressure, density and time

 

(viii)       Some of the following reasons show that water is not suitable for the use in the construction of liquid in bulb thermometer except

1. Water is a volatile liquid
2. Water is poor conductor of heat
3. Water has a large heat capacity    
4. Its expansion is not linear

 

(ix)            A body weight 11.8N when totally immersed in liquid if the weight of displaced is 4.2N the weight of the body in air is

1. 16N
2. 7.6N
3. 2.8N     
4. 49.57N

 

 

(x)              A materia which is not good insulator is

1. Wax
2. Brass
3. Clay        
4. Cotton

 

(xi)            ___________ is used to measure electric current

1. Switch
2. Ammeter
3. Voltmeter       
4. Galvanometer

 

 

 

SECTION B.

2. Match the items in list A with response to the alternatives in list B by writing the letter of the correct response beside the item number.

List A.

(i)                Collision

(ii)              Lunar eclipse

(iii)            Insulator

(iv)            Load

(v)              Cohesive

 

List B.

1. Volume
2. Moon between sun and earth
3. Newton’s second law of motion
4. Relative density
5. Earth between the sun and moon
6. The ability of the molecules of the same substances to attract each other
7. Moving charges
8. Stationery charges
9. Newton’s third law of motion
10. The ability of molecules of different substances to attract each other
11. The force applied in a moving a load
12. Distances moved in a particular direction
13. Rubber
14. Iron
15. Unlike poles
16. Mass moved by a machine
17. Like poles
18. The rate of distance moved with time in a specific direction
19. N.S
20. Kg/s²

 

i	ii	iii	iv	v	vi	vii	viii	ix	x

 

 

 

   SECTION B 60 Marks

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

1. Mass, length and __________________ are three fundamental quantities of measurement in physics
2. State two applications of density in daily life

(i)                ______________________________________________________

(ii)              ______________________________________________________

 

3. Magnets are named according to their shapes. Mention three types of magnets
4. When taking measurement there may be some error in the reading mention three common examples.
5. The angle between true north and the compass needle directions is known as _______________________                                                                                        (10marks)

 

 

4. (a) A body weight 1.5N in air and when immersed in water it weights 1.1N its apparent weight is _________________________

(b) Three types of inertial are _________________________,____________________,______________________

(c) The formation of shadow is an evidence that light travels in          (10marks)

 

 

5. (a) What is a sustainable source of energy

(b) Mention any four suitable source of energy

( c ) Give benefits of using Biogas as a source of fuel                                   (10marks)

 

 

6. (a) What is a magnet?

(b) State the basic law of magnetism

(c) Given the figure below

 

         (10marks)

 

 

 

7. (a) The principle of moment

(b) State two conditions for the body to be in equilibrium

(c) From the figure below determine F₁

                           (10marks)

 

8. (a) Give the different between acceleration and deceleration

(b) A car is initially travelling at 10m/s accelerates uniformly for 10sec to a velocity of 25m/s then it maintained a steady for 5sec before decelerating uniformly to rest in 4sec.

(i) Draw velocity time graph for this motion

(ii) Find acceleration and deceleration

(iii) Calculate the total distance travelled by the car                                         (10 marks)

 

SECTION C 25 marks

9. (a) State application of density in daily life.

(b) An irregular solid P has a mass of 50g when it is totally immersed in water of volume 60cm³ the final volume of water was read as 70cm³. Calculate

(i) The velocity of solid

(ii) The density of a solid P

(iii) The relative density of solid P.

 

10. (a) Define “watt”

(b) A body weighing 60kg used 30sec to run upstairs if the power generated by the boy was 60w and each stair is 0.5m high. Find the number of stairs.

       11. (a) Define pressure

(b) What is the S.I unit of pressure?

(c) A hydraulic brake has a force of 500N applied to a piston whose area is 5cm².

     (i) What is the pressure transmitted throughout the liquid?

     (ii) If the other piston has an area of 20cm², what is the force exerted on it?

 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEARNINGHUBTZ.CO.TZFORM TWO PHYSICS MODAL SERIES 15

                                                                   LEARNING HUB TANZANIA

PHYSICS EXAMINATION FORM TWO

MODEL  EXAMINATIONS.

 

NAME………………………………………..CLASS……………………………………………….TIME: 2:30HRS

Instructions:

(i)                 This paper consists at sections A,B and C

(ii)               Answer all questions in all sections.

(iii)            Whenever necessary use the following constants.

SECTION A (20) MARKS

1. Write the letter of the correct answer in the box provide for each of the following  items.

(i)        The relation of physics and chemistry is in making.

1. Algebra, trigonometry and chemical change
2. Insect killers, perfume and fertilizers
3. Photosynethis and food
4. Rain gauge, wind vane and thermometer.

(ii)     Which of the following instrument groups is used to measure basic fundamental quantities.

1. Beam balance, stop watch, vernier caliper
2. Chemical balance, stop watch, vernier caliper
3. Measuring cylinder, beam balance and water rule
4. Spring balance, stop watch and micrometer screw gauge.

(iii)   Swelling of soaked beans in water is the demonstration of:-

1. Capillary
2. Diffusion
3. Osmosis
4. Viscosity

(iv)    Which is the following is property at a solid state

1. Inter- particle distance in large
2. Particle in are closely packed together
3. Particles move randomly
4. Particle are not closely packed together.

(v)      An instrument which is used to observe objects around obstacle is called.

1. Microscope
2. Periscope
3. Plane glass
4. Telescope

(vi)    The relationship between pressure and area is that on:-

1. Changing area, nothing happens
2. Decreasing area, pressure decreases
3. Decreasing pressure, volume increases
4. Increasing area, pressure decrease

 

 

(vii)  A piece of metal of metal with a volume of 0.00012m³ has a mass of 0.12kg. The density of metal will be:-

1. 100kg/m³
2. 1000kg/m³
3. 10,000kg/m³
4. 1,000,000kg/m³

(viii)              If students gets an electric shock and fall down unconscious in a physics laboratory which of the following would you do first to help the victim?

1. Administer breathing exercise
2. Call a medical doctor immediately
3. Call other student to surround the victim
4. Call a physics teacher to give the victim machine

(ix)    The sun is an example of luminous body because it:-

1. Is a big star
2. Is made of God
3. Produced its own of light
4. Reflects light from the earth

(x)      A smell of rotten body can be felt through the process of

1. Diffusion
2. Evaporating
3. Osmosis
4. Transpiration

(xi)             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 level of the liquid will be:-

1. X
2. X-Z
3. X+Z
4. Z-X

(xii)           An object with low centre of gravity and wide base is:-

1. Neutral
2. Stable
3. Unequilibrial
4. Unstable

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

1. 0.36J
2. 3.6J
3. 360J

(xiv)         From Archimedes principle, the upthrust  acting on a body is equal to the :-

1. Apparent loss loss in weight
2. Apparent weight
3. Weight of the body in air
4. Weight of the water displaced.

 

(xv)           The acceleration of a body of mass 30kg when a constant force of 150N is applied on it will be.

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

(xvi)         The material will pass light partially is well known as:-

1. Glass material
2. Transparent material
3. Tinted material
4. Translucent material

(xvii)      The 120m temperature recorded at KIA status

1. 30^oC
2. 30 F
3. 273K
4. 960F

(xviii)    The volume of a piece of metal with a mass of 150g and density of 0.03g/cm³      is :-

1. 5 x 10^-5 cm³
2. 5 x 10¹ cm³
3. 5 x 10² cm³
4. 5 x 10³ cm³

(xix)         The force exerted by a pressure of 20Pa acting over and area of 2m2 is :-

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

List A	i	ii	iii	iv	v	vi	vii	viii	ix	x
List B

 

xi	xii	xiii	xiv	xv	xvi	xvii	xviii	xix	xx

 

SECTION B 40 MARKS

2. Match the item list A with the correct response from list B

List a	List b
(i)           Attractive force between molecule of the same substance (ii)        Bodies that give out light (iii)      Device used to put on or of current (iv)       Used to measure body temperature (v)         Product of mass and velocity (vi)         Measure weight of a body (vii)    Friction between lagers of fluid (viii)  Distance travelled per unit time	Adhesive force Spring balance Clinical thermometer Cohesive force Luminous objects Magnetic field Momentum Viscosity Six’s thermometer Beam balance Switch Velocity speed

 

List A	i	ii	iii	iv	v	vi	vii	viii
List B

 

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

(i)           In the velocity – time graph, the slope represent…………………………

(ii)        The weight at the body when in water is known as………………………

(iii)      The type of force which cause the size and volume of an object to decrease known as……

(iv)       The tendency of an object to remain on the surface of a fluid due to the force existed by fluid is called………………………………

4. (a) Define the term pressure.

(b) A rectangular object whose dimensions are 1.4m x 0.1m x 2.0m has a density of 20kg/m³. Calculate the minimum pressure when placed on a table.

5. (a) Define each of the following terms as applied in physics.

(i)                 Volume

(ii)               Moment of force

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

 (i) Work done

 (ii)  Power

6. (a) State Archimedes principle

(b) A body weighs 12N when on air and 10N when completely immersed in water. Calculate the:-

(i)  Upthrust

(ii)  Relative density of the object.

 

SECTION C (40 MARKS)

7. (a) (i) State principle of moment

              (ii)Define the term centre of gravity

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

(i) Draw the diagram to illustrate the forces

(ii) Calculate the mass of the rule.

8. (a) Draw a beam of light showing:-

(i)                 Convergent rays

(ii)               Divergent rays

(iii)            Parallel rays

(b) Mention four properties of image formed by plane mirror.

9. An object starts from rest and accelerate to a velocity of 20m/s for 5seconds. It then maintain this speed for 20seconds before applying brakes and comes to rest after 10 seconds.

(a)   Sketch the velocity – time graph for this motion

(b)  From the graph drawn in part (a) above find (i) Acelleration (ii) Deceleration.

(c)   Calculate the distance travelled.

10.   (a) State law of floatation

(b) A body weighs 10N in air and 8N when completely immersed in a liquid of density 0.8g/cm³ find

(i) The volume of the liquid displaced

(ii) The density of the body.

LEARNINGHUBTZ.CO.TZFORM TWO PHYSICS MODAL SERIES 14

                                                              LEARNING HUB.TZ

PHYSICS EXAMINATION FORM TWO

ANNUAL EXAMINATIONS.

 

NAME………………………………………..CLASS……………………………………………….TIME: 2:30HRS

INSTRUCTIONS:-

 

SECTION A :

 

1. Answer ALL questions in this section by writing the letter of the correct answer/ beside the equation number in your answer book.

 

1. Physics is defined as the study of;

1. The relationship between life and work
2. The relationship between life and matter
3. The relationship between living and non-living things.
4. The relationship between matter and energy

 

2. In thermometry, the ice point and steam point are respectively reffered to as;

1. Minimum and maximum points
2. Freezing and Boiling points
3. Lower and upper fixed points
4. Standard and fundamental points

 

3. The presence of positive electric charge in a body can be detected by using;

1. An electroscope
2. Voltmeter
3. A compass
4. Hydrometer

 

4. One of the following is the property of the image formed in a plane mirror;

1. Smaller than the object
2. Larger than the object
3. Real image
4. Virtual image

 

5. The thermometric liquid used to measure low temperature is;

1. Alcohol     B. Mercury     C. Water    D. Coloured alcohol

 

6. A piece of metal of volume 0.24cm³ and mass 0.72g has a relative density of;

1. 3g/cm³      B. 3kg/m³      C. 0.3    D. 3

 

7. Pressure in liquid depends on;

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

 

8. When a body floats in a liquid;

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

 

9. A temperature of 100°F is equal to;

1. 33.3°C     B. 47.8°C     C. 73.3°C    D. 37.8°C

 

10. A stone of mass 500g is lifted through a height of 2m. The potential energy gained by the stone is;

1. 100J       B. 70J       C. 40J        D. 10J

 

11. When charging an object by friction, the particles which are transferred are;

1. Elections     B. Protons      C. Newtons     D. Electrons and protons

 

12. 1 litre is equal to;

1. 500cm³       B. 2m³        C. 1000cm³       D. 1m³

 

13.    According to the scientific definition of work, pushing a rock does not accomplish work unless there is;

1. A net force
2. Movement in the same direction as the direction of force
3. An opposite force
4. Movement

 

14. The rate at which energy is transferred is called;

1. Watt    B. Power    C. Joule per second      D. Workdone

 

15. The normal temperature of a human being is;

1. 13.8°F      B. 66.4°F        C. 98.4°F      D. 38°F

 

16. A body which gains elections become;

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

 

17. The surface tension of a liquid is due to;

1. Molecules of its surface
2. Elastic skin which covers the surface of the liquid
3. Cohesive force between its surface molecules
4. Adhesive force between different molecules

 

18. The temperature of Dodoma town was 40°C. This is equivalent to;

1. 313 Kelvin     B. 240 Kelvin      C. 110 Kelvin      D. 120 Kelvin

 

19. When five hazard from an electrical fault erupts in a house;

1. Cut off all connecting wires
2. Switch off the main switch
3. Break the main switch
4. Switch off the switch socket

 

20. The S.I. Unit of temperature is;

1. Centigrade     B. Second       C. Kelvin      D. Fahrenheit

 

2. Match the following items by writing the letter of the correct meaning from List B against the number of item in list A.

LIST A

LIST B

Beam balance Hydrometer Clinical thermometer Apparent loss in weight Attractive force between molecules of the same substance.

Most appropriate extinguisher for fire class C. Floating objects Measures quantity of heat. Relative density Air current energy Luminous objects Wind mill Has the largest inter-particle distance. Kelvin Cohesion Upper fixed point for Fahrenheit scale Surface tension Upthrust Energy from hot rocks underground Measures relative density of liquids Hydroeletric energy Measures human body temperature Ice point for the Fahrenheit scale Measures mass Tidal energy

 

SECTION B

 

3. Answer the following questions by filling in the blanks with the correct answers;

1. Temperature is the degree of …………………………………… or ……………………………………. of body.
2. The steam point on Celsius scale is ……………………………….. while on the Fahrenheit scale is ……………………………………………
3. The main difference between clinical thermometer and other types of thermometer is that clinical thermometer has. …………………………….
4. The two limitations of clinical thermometer are ……………………………….. and ……………………………
5. Two precautions to considered during the use of clinical thermometer includes ……………………………………………….. and ………………………………………
6. Some of the physical properties, that change with temperature  are ………………………………………. and ……………………………………..
7. Three types of thermometers are ……………………………….., …………………………………………….. and …………………………………………
8. Two reasons why mercury is preferred to as a thermometric liquid are ………………………………… and ………………………………………..
9. Conversion between the three temperature scales, Celsius, Kelvin and Fahrenheit are done by conversion equations which are ………………………………………., ……………………………………………… and ………………………………………………………………….
10. A liquid-in-glass thermometer depends on the ……………………………………………… of the liquid vary with temperature.
11. List two importances of water energy

(a)     …………………………………………………………………………………………….

(b)     …………………………………………………………………………………………….

12. The two applications of water energy are;

(a)  ………………………………………………………………………………………………

(b)  ………………………………………………………………………………………………

13. The two applications of solar energy are;

(a)  ……………………………………………………………………………………………..

(b)  ……………………………………………………………………………………………..

14. In the solar panel, the pipes are bent  or coiled so as to increase the ……………………………… over which the radiant every can act.
15. Three areas in East Africa which are geologically well – structured to produce efficient geothermal system are ………………………………………., ………………………………………………. and ………………………………………………..
16. The number of images formed by multiple mirrors relates with the angle between two mirrors by the formula …………………………………………
17. The S.I. unit of capacitance of a capacitor is …………………………………
18. The equation which relates the three factors that affect the capacitance of a capacitor is given by ……………………………………….
19. ………………………………………… is the zigzag path followed by electrons from the negative clouds across the air towards the positive cloud.
20. When a charged electroscope is touched by a finger it. ………………………….. This is called ……………………………………………………..

 

4. (a) Define the following terms;

1. Elasticity ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
2. Viscosity …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….
3. Surface tension ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..
4. Capillarity …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….

(b) The tip of a needle has a cross sectional area of (1 x 10²)m². If a doctor applies a force of 20N

      to a syringe that connected to the needle, what is the pressure exerted at the tip of the needle?

 

 

 

 

 

 

5. (a) Define the following terms;

1. Diffusion ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
2. Osmosis ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
3. Pressure ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
4. Mass …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….

 

6. (a) Define the following terms;

1. Temperature ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
2. Constriction ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
3. Meniscus ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
4. Kelvin ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
5. Thermometric property …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..

(b) State four (4) reasons, why water is unsuitable as a thermometric liquid. ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..

(c) Define the following terms;

1. Fixed points ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….
2. Lower fixed point ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
3. Upper fixed point ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….
4. Fundamental interval of a thermometer ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

(d) Explain briefly why clinical thermometer is not sterilized by using water? ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….

 

7. (a) State 3 factors that determine the capacitance of a capacitor, and write the equation which connect the three factors.  ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

         (b) List down four types of capacitor

            …………………………………………………………………………………………………………..

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

 …………………………………………………………………………………………………………….

 …………………………………………………………………………………………………………….

      (c) Three capacitors of capacitance 2µF, 4µF and 6µF are connected in the circuit. Calculate the total

            capacitance when the capacitors are connected in;

(i)        Series …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..

(ii)     Parallel ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(i)           P: represents ……………………………………………………….

(ii)        Q: represents ……………………………………………………….

(iii)      T: represents ………………………………………………………..

(iv)       F: represents ……………………………………………………….

(v)         S: represents ……………………………………………………….

(vi)       K: represents ………………………………………………………..

 

8. (a) Define Ohm’s law ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

(b) What would be the effect on the resistance of a conductor if;

1. Its length was increased? ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
2. Its temperature was increased? ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..
3. Its cross – sectional area was reduced? ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

(c) In tabular form write down five (5) differences between mass and weight

Mass	Weight
	i.
	ii.
	iii.
	iv.
	v.

 

9. (a) Consider the circuit below;

 

 

 

 

 

 

 

 

 

 

 

 

(i)          Find the equivalent resistance.

 

 

 

 

(ii)        Determine the current in the circuit.

 

 

 

 

(iii)     Determine the current across 4resistor.

 

 

 

          (b) Draw a well labelled diagram of a gold leaf electroscope;

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(c) State four (4) functions of a gold leaf electroscope;

(i)    …………………………………………………………………………………………………………..

(ii) …………………………………………………………………………………………………………..

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

(iv)                   …………………………………………………………………………………………………………..

 

10. (a) What is wind mill? ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

(b) Mention three (3) disadvantages of energy caused by wind.

    (i) …………………………………………………………………………………………………………

   (ii) …………………………………………………………………………………………………………

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

(c) Does wind itself posses energy? Explain ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….

(d) State four examples of sustainable energy sources

(i)    ……………………………………………………………………………………………

(ii) ……………………………………………………………………………………………

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

(iv)       ………………………………………………………………………………………………..

 

10.  (e) Name the circuit devices represented by the following circuit symbols and state their uses;

Circuit symbol	Circuit Device	Uses
i.
ii.
iii.
iv.
v.
vi.
vii.
viii.
ix.
x.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEARNINGHUBTZ.CO.TZFORM TWO PHYSICS MODAL SERIES 11

                                                        LEARNING HUB TANZANIA

PHYSICS EXAMINATION FORM TWO

MODEL  EXAMINATIONS.

 

NAME………………………………………..CLASS……………………………………….TIME: 2:30HRS

INSTRUCTIONS:

1. This paper consists of section A,B and C
2. Answer all questions in each section.
3. Whenever necessary use the following constants;-

-Acceleration due to gravity g=10m/s² or g=10N/kg

SECTION A (20MARKS)

1. For each of the following items, choose the correct answer.

1. The ratio of the density of substance to the density of pure water is:-

a)      Mass per unit volume

b)     Relative density of water

c)      Relative density of substance

d)     Upthrust on pure water

2. The area under the velocity time graph is:-

a)      decelleration

b)     speed

c)      displacement

d)     acceleration

3. A car with a velocity of 30m/s is uniformly retarded and brought to rest after 10 seconds, therefore its acceleration is:-

a)      3m/s²

b)     -3m/s²

c)      300m/s²

d)     0.3m/s²

4. Sharp knife cut easily than blunt one because:

a)      The blunt edge exert high pressure due to large surface area

b)     The sharp edge exert high pressure due to small surface area

c)      The blunt edge exert low pressure due to small surface area

d)     The sharp edge exert low pressure due to large surface area.

5. The following is not an example of force

a)      gravity

b)     torsional

c)      repulsion

d)     newton

6. A  wheel barrow is a …………………..class lever

a)      first

b)     third

c)      second

d)     fourth

 

7. An object weighs 4.8N in air, it its upthrust is 2.3 N, its weight when immersed in water will be

a)      2.3N

b)     7.1N

c)      2.5N

d)     2.5

8. …………………the number of times a substance is denser than a given density of water.

a)      density

b)     measurement

c)      relative density

d)     volume of substance

9. Pressure in liquid depends on the:-

a)      Density of mercury

b)     Depth of liquid

c)      Height of water

d)     Density of water

10. The parallel mirror in periscope are filled at:-

a)      30^o

b)     45^o

c)      0^o

d)     90^o

Item
Ans

 

2. Match the items in list A with the correct response in list B by writing its letter below the number of the corresponding item

LIST A	LIST B
Action of a gun Push or pull Rate of change of displacement Galvanometer Ohm meter	a)      change of momentum b)     velocity c)      high pressure d)     low pressure e)      S.I unit of energy f)       S.I unit of power g)     Velocity ratio (V.R) h)     Reaction and action are equal and opposite i)       acceleration j)       force

 

 

 

3. Complete the following statements by filling in the blanks with the correct answers

1. An instrument used to measure mass of a substance is known as ……………………….
2. Work has the same unit as …………………….
3. ……………………….is an instrument used to detect charge.
4. The tendency of liquid to raise or fall in a narrow tube is called…………………………..
5. Four types of simple machine are …………………..
6. …………………..
7. ……………………
8. ………………………      (10marks)

 

4. (a)(i) Define temperature and state its SI unit.

     (ii) Explain briefly why the clinical thermometer has a very short range of about 35^oC to 43^oC

(b)Give five reasons why water is not a good thermometer liquid.              (10marks)

5.  (a)Define the following terms as used in physics  (i) work  (ii) energy  (iii) power

(b)A man lifts a load of 30kg through a height of 5m in 10 seconds. Calculate the (i) work done (ii)power developed by the man.                                                (10marks)

6. (a) Distinguish between umbra and penumbra shadows

(b) State the properties of the images formed by plane mirrors                          (10marks)

7. Define the centre of gravity of a body. Explain why racing cars should have wide wheel tracks.

                                                                                                                       (10marks)

8. (a) Explain what is a gold leaf electroscope

(b) State two uses of the gold leaf electroscope.

(c)   Define the terms capacitor and capacitance

(d)  Calculate the capacitance of a capacitor whose electric potential is 3V and charge is 0.2C.                                                                                                       (10marks)

 

 

SECTION C (25MARKS)

9. (a)(i)Define momentum and state its SI unit.

      (ii) State the law of conservation of linear momentum.

 (b)(i)Differentiate between elastic and inelastic collision.

      (ii)An arrow of mass 0.1kg is shot into a block of wood of mass 0.4kg lying at rest on smooth surface of an ice rink. If at the moment of impact the arrow were moving horizontally at 15m/s. calculate the common velocity after the impact (collision)

10. (a) State newton’s laws of motion.

(b) List three (3) parts of lever.

11. (a) State the principle of moments

(b) State the two conditions of a body acted by parallel forces to remain at equilibrium

(c) Calculate w and R if the system below is at equilibrium

 

 

 

 

 

 

 

 

 

 

LEARNINGHUBTZ.CO.TZFORM TWO PHYSICS MODAL SERIES 10