Friday, 22 February 2019


Paper Type : D

1.Which Question Paper Type of Physics is given to you? 
A. Type D
B. Type I
C. Type B
D. Type U

2. When a brick is taken from the earth’s surface to the moon, its mass __.
A. remains constant 
B. reduces
C. increases
D. becomes zero

3. The resultant of two forces is 50N. If the forces are perpendicular to each other and one of them makes an angle of 30° with the resultant, find its magnitude. 
A. 100.0N 
B. 57.7N 
C. 43.3 N 
D. 25.0N

4. The pair pf physical quantities that are scalar only are __.
volume and area 
moment and momentum
length and displacement.
impulse and time.
A simple pendulum of length 0.4m has a period of 2s. What is the period a similar pendulum of length 0.8m at the same place? 
2√2 s 
A train with an initial velocity of 20ms^(-1) is subjected to a uniform deceleration of 2m^(-2). The time required to bring the train to a complete halt is 
Calculate the apparent weight loss of a man weighing 70kg in an elevator moving downwards with an acceleration of 1.5ms^(-2) . 
A. 686N. 
B. 595N. 
C. 581N. 
D. 1105N          
 [ g ≈10ms^(-2 )]

A piece of cork floats in a liquid. What fraction of its volume will be immersed in the liquid? 
[ Density of the cork = 0.25 x 〖10〗^3 〖kg〗^(-3), density of the liquid = 1.25 x 〖10〗^3kgm^(-3)]

An object is moving with a velocity of 5ms^(-1). At what height must a similar body be situated to have a potential energy equal in value with kinetic energy of the moving body? 

If a pump is capable of lifting 5000kg of water through a vertical height of 60 m in 15 min, the power of the pump is 
A. 2.5 x 〖10〗^5Js^(-1) 
 B. 2.5 x 〖10〗^4Js^(-1)   
C. 3.3 x 〖10〗^3 Js^(-1)
D. 3.3 x 〖10〗^2 Js^(-1)

The coefficient of friction between two perfectly smooth surface is 
What effort will a machine of efficiency 90% apply to lift a load of 180N if its effort arm is twice as long as its load arm? 
Calculate the work done when a force of 20N stretches a spring by 50mm. 
At what depth below the sea-level would one experience a change of pressure equal to one atmosphere? 
0.1 m. 
. [Density of sea water = 1013kg^(-3) one atmosphere = 0.01 x 〖10〗^5Nm^(-2) g=10ms^(-2)]
What volume of alcohol will have same mass as 4.2m^(-3) of petrol? 
       C. 3.6m^3. 
       D. 4.9m^3.
Calculate the length which corresponds to a temperature of 20°C if the use ad steam points of an ungraduated thermometer are 400 mm apart. 
A wire of length 100.0m at 30°C has linear expansivity of 2 x 〖10〗^(-5) K^(-1). Calculate the length of the wire at a temperature of -10°C. 
A gas at a pressure of 10^5 Nm^(-2) expands from 0.6m^(-3) to 1.2m^3 at constant temperature, the work done is 
7.0 x 10^6 J. 
6.0 x 10^6 J. 
6.0 x 〖10〗^5J. 
6.0 x 10^4 J. 
Two liquids X and Y having the same mass are supplied with the same quantity of heat. If the temperature rise in X is twice that of Y, the ratio of specific heat capacity of V to that of Y is 
A. 2:1. 
B. 1:2. 
C. 4:1. 
D. 1:4.
Foods cook quicker in salt water than in pure water because of the effect of 
A. dissolved substances on the boiling point. 
B. atmospheric pressure on the boiling point. 
C. food nutrients on the thermal energy. 
D. salts on the thermal conductivity of water.
Steam from boiling water causes more damage on the skin that does boiling water because 
A. water has a high specific heat. 
B. steam has latent heat of fusion. 
C. the steam is at higher temperature than the water.
D. steam brings heat more easily by convection.
What will happen to the boiling point of pure water when it is heated in a place 30m below sea level? 
A. It will be more than 100°C. 
B. It will be less than 100°C. 
C. It will still be at 100°C. 
D. It will be fluctuating.
The rise or fall of liquid in a narrow tube is because of the 
A. viscosity of the liquid. 
B. surface tension of the liquid. 
C. friction between the walls of the tube and the liquid. 
D. osmotic pressure of the liquid.
The mechanism of heat transfer from one point to another through the vibration of the molecules of the medium is 
A. convection. 
B. conduction 
C. radiation 
D. diffusion
A wave travels through stretched strings is known as 
A. electromagnetic wave. 
B. micro wave. 
C. mechanical wave. 
D. seismic wave.
A transverse wave and a longitudinal wave travelling in the same direction in a medium differ essentially in their 
A. frequency. 
B. amplitude. 
C. direction of vibration of the particles of the medium 
D. period of vibration of the particles of the medium.
What is the velocity of sound at 100°C.i the velocity of sound at 0°C is 340ms^(-1)? 
A. 497ms^(-1) 
B. 440ms^(-1) 
C. 397ms^(-1) 
D. 240ms^(-1) 
If a sonometer has a fundamental frequency of 450Hz, what is the frequency of the fifth overtone? 
B. 456Hz 
A man 1.5m tall is standing 3m in front of a pinhole camera whose distance between the hole and the screen is 0.1m. What is the height of the image of the man on the screen? 
A. 0.05m 
B. 0.15m. 
C. 0.30m. 
D. 1.00m.
A ray of light passing through the centre of curvature of a concave mirror is reflected by the mirror at 
A. 0°. 
B. 45°. 
C. 90°. 
D. 180°
From the diagram above, calculate the incident angle i. 
A. 41°. 
B. 49°. 
C. 55°. 
D. 61°. 
Total internal reflection will not occur when light travels from 
A. water to air. 
B. water into glass. 
C. glass to air. 
D. glass into water.
What does the diagram above represent? 
A. telescope in normal use. 
B. microscope in normal use. 
C. telescope in abnormal use. 
D. microscope in abnormal use.
If the linear magnification of the objective and eyepiece convex lenses of a compound microscope are 4 and 7 respectively, calculate the angular magnification of the microscope. 
A. 2. 
B. 3. 
C. 11. 
D. 28.
The angle of deviation of light of various colours passing through a triangular prism increases in the order 
A. red → green → blue. 
B. green → violet → blue. 
C. blue → red → green. 
D. blue → green → red.
Calculate the force acting on an electron of charge 1.5 x 〖10〗^(-19)C placed in an electric field of intensity 10^5Vm^(-1). 
A. 1.5 x 10^(-11)N 
B. 1.5 x 10^(-12)N 
C. 1.5 x 10^(-13)N 
D. 1.5 x 10^(-14)N
Capacitors are used in the induction coil to 
A. control circuits. 
B. dissipate energy. 
C. prevent electric sparks. 
D. prevent distortion of electric fields.
A cell of emf 1.5V is connected in series with a 1Ω resistor and a current of 0.3A flows through the resistor. Find the internal resistance of the cell. 
A. 4Ω. 
B. 3.0Ω. 
C. 1.5Ω. 
D. 1.00Ω.
Which of the following obeys ohms law? 
A. electrolytes. 
B. metals. 
C. diode. 
D. glass.
A house has ten 40W and five 100W bulbs. How much will it cost the owner of the house to keep them lit for 10 hours if the cost of a unit is ₦5? 
A. ₦90. 
B. ₦50. 
C. ₦45 
D. ₦40.
An electric device is rated 2000V, 250V. Calculate the maximum current it can take. 
A. 9A. 
B. 8A. 
C. 7A. 
D. 6A.
When a charge moves through an electric circuit in the direction of an electric force, it ___
A. gains both potential and kinetic energy. 
B. gains potential energy and kinetic energy. 
C. loses potential energy and gains kinetic energy. 
D. loses both potential and kinetic energy.
To convert a galvanometer to voltmeter, a __  
A. high resistance is connected to it in series. 
B. high resistance is connected to it in parallel. 
C. low resistance is connected to it in series. 
D. low resistance is connected to it in parallel.
Induced emfs are best explained using ___.
A. Ohm’s law. 
B. Faraday’s law. 
C. Coulomb’s law. 
D. Lenz’s law.
If a current of 2.5A flows through an electrolyte for 3 hours and 1.8g of a substance is deposited, what is the mass of the substance that will be deposited if a current of 4A flows through it for 4.8 hours? 
A. 2.4g 
B. 3.2g 
C. 4.6g. 
Calculate the energy of the third level of an atom if the ground state energy is -24eV 
A. -9.20eV. 
B. -8.20eV. 
C. -2.75eV. 
D. -1.75eV.
In photo-emission, the number of photoelectrons ejected per second depends on the ___. 
A. frequency of the beam. 
B. work function of the metal. 
C. threshold frequency of the metal. 
D. intensity of the beam.
The particle nature of light is demonstrated by the 
A. photoelectric effect. 
B. speed of light. 
C. colours of light. 
D. diffraction of light.
The energy of a photon having a wavelength of 〖10〗^(-10)m is 
A. 2.0 x 〖10〗^(-15) J 
B. 1.7 x 〖10〗^(-13) J 
C. 2.0 x 〖10〗^(-12) J 
D. 1.7 x 〖10〗^(-12) J                               ( h= 6.63 x 〖10〗^(-34) Js c= 3.0 x 〖10〗^8 ms^(-1))
The bond between silicon and germanium is ___ 
A. dative. 
B. covalent. 
C. trivalent. 
D. ionic.



 1. Which question paper type of physics is given to you ?
A. Type F
B. Type E
C. Type L
D. Type S

2. What is the least possible error encountered when taking measurement with a meter rule?
A. 1.0mm 
B. 0.5mm
C. 0.2mm
D. 0.1mm 

3. A quantity which requires magnitude and direction to be specified is ___.
A. distance
B. displacement
C. mass
D. temperature

4. I. Electrical potential
   II. Torque
   III. Kinetic Energy 
   IV. Momentum
   Which of the quantities listed are vectors?
    A.    II and IV
    B.    I and II
    C.   I and III
    D.   II and III

 5. Which type of motion do the wheels of a moving car undergo?
 A. Random and translational motion
 B. Rotational and oscillatory motion
 C. Translational and rotational motion 
 D. Vibratory and translational motion 

6. From the diagram above, the region of zero acceleration is ___.
A. MN 
B. NS 

7.A car accelerates uniformly from rest at 3ms-2. its velocity after traveling a distance of 24m is ___.
A. 144ms-1 
B. 72ms-1
C. 36ms-1 
D. 12ms-1 

8. Calculate the escape velocity of a satellite launched from the earth's surface if the radius of the earth is 6.4x106m.
A. 4.2kms-1     
B. 4.0kms-1  
C. 11.3kms-1    
D. 25.3kms-1                     [g=10ms-2

9. An object of weight 80kg on earth is taken to a planet where acceleration due to gravity is one-third of its value on earth. The weight of the object on the planet is __.
A. 12N    
B. 27N  
C. 36N    
D. 48N   

10. One of the conditions necessary for an object to be in equilibrium when acted upon by a number of parallel forces is that the vector sum of the forces is __.
A. zero
B. negative
C. positive
D. average

11. What happens when three co-planar non-parallel forces are in equilibrium?
 A. They are represented in magnitude only 
 B. They are represented in direction only
 C. Their lines of action meet at a point
 D. Their lines of action are parallel

12. An object of mass 20kg is released from a height of 10m above the ground level. The kinetic energy of the object just before it hits the ground is __. 
A. 4000 J   
B. 2000 J   
C. 500 J    
D. 200 J              [g=10ms-2

13. The energy in the nucleus of atoms produce heat which can be used to generate __.
 A. mechanical energy   
 B. electrical energy
 C. potential energy   
 D. kinetic energy  

14. A machine whose efficiency is 75% is used to lift a load of 1000N. Calculate the effort put in to the machine if it has a Velocity ratio of 4.
A. 233.33 
B. 333.33 N
C. 334.33 N
D. 343.32 N

15A wheel and an axle is used to raise a load whose weight is 800N when an effort of 250N is applied. If the radii of the wheel and axle are 800mm and 200mm respectively, the efficiency of the machine is __.
A. 80%   
B.  85%
C. 87%
D. 90%

16. A force of 500N is applied to a steel wire of cross-sectional area 0.2m2, the tensile stress is __.
a. 1.0x102Nm-2 

b. 1.0x103Nm-2

c. 2.5x103Nm-2

d. 2.5x104Nm-2 

17. From the diagram above, the point that represent the elastic limit is __.

A. Q 

B. R 

C. S 

D. T

18.The small droplet of water that forms on the grass in early hours of the morning is __.

A. haul

B. mist

C. dew

D. fog

19. What is the equivalent of 20K in Celsius scale?

A. 293 °c

B. 68 °c  

C. 36 °c  

D. 20 °c   

20. A glass bottle of initial volume 2 x 104cmis heated from 20°c  to 50°c . If the linear expansively of glass is 9 x 10-6K-1, the volume of the bottle at 50°c  is __.

A. 20005.4cm

B. 20008.1cm3

C. 20013.5cm3

D. 20016.2cm3

21.The equation PaVbTc= constant reduces to Charles Law if __.

A. a=1, b=0 and c=-1 

B. a=0, b=1 and c=1

C. a=0, b=1 and c=-1

D. a=1, b=1 and c=0

22. The quantity of heat needed to raise the temperature of a body by 1K is the body's __.

a. internal energy 

b. specific heat capacity

c. latent heat of fusion

d. heat capacity

23.The melting point of a substance is equivalent to its __.

A. solidification temperature 
B. liquidification temperature

C. solidification pressure

d. vapor Pressure

24. The temperature at which the water vapor present in the air is just sufficient to saturate air is __.

A. ice point

B. saturation point

c. dew point

d. boiling point 

25. Heat transfer by convection in a liquid is due to the

A. increased vibration of the molecules of the liquid about their mean position 

B. variation of density of the liquid

C. expansion of the liquid as it is heated 

D. Latent heat of vaporization of the liquid 

26. The distance between two successive crests of a wave is 15cm and the velocity 300ms-1. Calculate the frequency.

A. 4.5x103Hz      

B. 2.0x103Hz      

C. 4.5x102Hz      

D. 2.0x102Hz

27. A boy receives the echo of his clap reflected by a nearby hill 0.8s later. How far is he from the hill?

A. 66m
B. 136m
C. 254m
D. 528m

[speed of sound in air = 340ms-1 
28. The diagram above show a stationery wave of wavelength 40 cm in a closed tube. The length l is the resonating air column is __.

A. 10cm 

B. 20cm 

C. 30cm

D. 40cm

29. An object is placed 10 m from a pinhole camera of length 25 cm. Calculate the linear magnification.

A. 2.5 × 10-2
B. 2.5 × 10-1
C. 2.5 × 101
D. 2.5 ×  102

30. The focal length of a concave mirror is 2.0cm. If an object is placed 8.0cm from it, the image is at __.

A. 2.0m

B. 2.3m

C. 2.5m

D. 2.7m

31. In a compound microscope, the objective and the eye piece focal lengths are __.

A. long

B. short

C. the same
D. at infinity

32. When a telescope is in normal use, the final image is at __.

A. the focus

B. the radius of curvature
C. the near point
D. infinity

33. When a negatively charged rod is brought near the cap of a charged gold leaf electroscope which has positive charges, the leaf __.

a. collapses     

b. collapses and diverges again     

c. diverges     

d. remains the same     

34. What charge is stored in a 0.1F capacitor when a 10V supply is connected across it?

A. 5C
B. 4C
C. 2C
D. 1C

35. Calculate the effective capacitance of the circuit above.
A. 1µ
B. 2µ
C. 3µ
D. 4µf

36. The maximum power transfer occurs in a cell when the external resistance is __.

A. the same as the internal resistance of the cell      

B. greater than the internal resistance of the cell
C. less than the internal resistance of the cell 

D. twice the internal resistance of the cell      

37. If a metal wire 4m long and cross-sectional area 0.8 mm2 has a resistance of 60Ω, find the resistivity of the wire.

A.  3.0x10-5  Ωm      

B.  1.2x10-6 Ωm       

C.  3.2x10-6 Ωm     

D.  5.3x10-7 Ωm     

38. A circuit has a resistance of 200Ω. The resistance of the circuit can be reduced to 120Ω when __.

a. an 80Ω resistor is connected to it in series      

b. a 150Ω resistor is connected to it in parallel     

c. a 240Ω resistor is connected to it in series     

d. a 300Ω resistor is connected to it in parallel     

39. PHCN measures its electrical energy in __.

A. KWh     

B. Wh     

C. J     

D. W  

40. What is the best method of demagnetizing a steel bar magnet?

A.  Heating it     

B. Rough handling it    

C. Solenoid method
D. Hammering

41. The magnitude of the angle of dip at the equator is __.

A. 0°

B. 90°

C. 180°

D. 360°

Use the diagram below to answer questions 42 and 43

42. The diagram above is that of __.
A. a step- up transformer 
B. a step - down transformer 
C. an auto transformer 
D. an oil transformer

43. The electromotive force in the secondary winding is __.
A. increasing 
B. reducing 
C. Stabilizing 
D. varying

44. What type of reaction is represented by the equation diagram?

A. fusion
B. Fission
C. Chain
D. Ionization

45. When an atom undergoes a beta decay, the atomic number of the nucleus

A. decreases by one
B. increases by one
C. becomes zero
D. remains unchanged

46. Calculate the mass of the copper deposited during electrolysis when a current of 4A passes through a copper salt for 2 hours. [ece of Copper z=3.3x10-7kgC-1]
A. 9.5 x 10-7kg
B. 9.5 x 10-3kg
C. 2.9 x 10-4kg
D. 2.9 x 105kg


47. Which gas produces a pink colored light in a discharge tube?
A. Argon
B. Air
C. Neon
D. Mercury

48. When decays to , it emits diagram
A. an alpha particle
B. one beta particle
C. one alpha and one beta particle 
D. two alpha and two beta particles

49. In a common emitter configuration, the output voltage is through the __.
A. base
B. collector
C. emitter
D. resistor

50. Which of the graph below shows the characteristic of an I-V transistor?


1. A
2. A
3. B
4. D
5. C
6. B
7. D
8. C
9. B
10. A
11. C
12. B
13. A
14. B
15. A
16. C
17. B
18. C
19. A
20. D
21. C
22. D
23. A
24. C
25. C
26. B
27. B
28. C
29. A
30. D
31. B
32. D
33. A
34. D
35. A
36. B
37. B
38. D
39. A
40. C
41. A
42. A
43. A
44. A
45. B
46. B
47. B
48. B
49. A
50. B