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The diagram shows two capacitors P and Q of capacitance and . Find the charges stored in P and Q respectively.

A. 200 μC and 100 μC    B. 100 μC and 200 μC    C. 4 μC and 2 μC    D. 2 μC and 4 μC


A stone of mass 1 kg is dropped from a height of 10 m above the ground and falls freely under gravity. Its kinetic energy 5m above the ground is then equal to

A. its kinetic energy on the ground
B. twice its initial potential energy
C. its initial potential energy
D. half its initial potential energy



If current flows in the direction of the arrows in the solenoid above, the North pole is at

A. P    B. X   C. Q    D. Y


If the frequency of an emitted x-ray is 1.6 x 1016 Hz, the accelerating potential is ________
[ e = 1.6 x 10-19 C, h = 6.63 x 10-34 Js]

A. 6.6 V    B. 66.3 V    C. 663.0 V    D. 6630.0 V


The range of accommodation of a normal human eye is ______ 

A. 0 m to 0.1 m    B. 0 m to 0.25 m   C. 0.10 m to 0.25 m   D. 0.25 m to infinity

An astronomical telescope is said to be normal adjustment when the ________

A. eye is accommodated
B. focal length of objective lens is longer than that of eye piece.
C. final image is at the near point of eye
D. final image is at infinity.


Which of the following does NOT cause a reduction of the surface tension of water?  

A. Soap solution    B. Detergent    C. Alcohol    D. Grease

I. The earth is not spherical but elliptical in shape
II. Variation in latitude and longitude
III. Rotation of the earth on its axis
IV. Variation in the density of the earth.

On which combination of the above does the weight of an object vary on the earth’s surface?

A. I, II III and IV   B. II, III and IV only   C. I, II and III only   D. I and II only


A string is fastened tightly between two walls 24 cm apart. The wavelength of the second overtone is __

A. 24 cm    B. 16 cm    C. 12 cm    D. 8 cm


The primary coil of a transformer has N turns and is connected to a 120 V a.c. power line. If the secondary coil has 1,000 turns and a terminal voltage of 1200 volts, what is the value of N?

A. 120   B. 100   C. 1000   D. 1200


The pressure of a given mass of a gas changes from 300 Nm-2 to 120 Nm-2 while temperature drop from 127oC to -73oC. The ratio of the final volume to the initial volume is ___

A. 2:5    B. 5:4    C. 5:2    D. 4:5




The diagram represents a transverse electromagnetic wave travelling with speed 3.0 x 108 ms-1. What is the frequency of the wave?

A. 3.0 x 107 Hz     B. 9.0 x 107 Hz     C. 1.0 x 109 Hz     D. 3.0 x 109 Hz


An electron of charge 1.6 x 10-19 C and mass 9.1 x 10-31 kg is accelerated between two metal plates with a velocity of 4 x 107 ms-1. The potential difference between the plates is __

A. 4.55 x 101 V    B. 9.10 x 101 V    C. 4.55 x 102 V    D. 4.55 x 103 V


The bulb of a motorcycle head-lamp is marked 40W, 6V. The resistance of the filament when it is switched on is _____

A. 62/40 ohms    B. 40/62 ohms    C. 40/6 ohms    D. 6 x 40 ohms

I. Its velocity is constant
II. No work is done on the body.
III. It has constant acceleration directed away from the center
IV. The centripetal force is directed towards the center.

Which combination of the above is true of a body moving with constant speed in a circular track?

A. I and III    B. I and IV    C. II and III    D. II and IV


If in a simple pendulum experiment the length of the inextensible string is increased by a factor of four, its period is increased by a factor of _____

A. 4    B. π/2    C. 2      D. 2π

Radio Carrier waves are generated by causing electrons to oscillate rapidly in ______

A. a microphone    B. a television camera    C. an antenna    D. a transmitter

The cost of running five 60 W lamps and four 100 W lamps for 20 hours. If electrical energy costs N10.00 per kwh, the cost of power consumed is __

A. N 280.00   B. N 160.00   C. N 120.00   D. N 140.00



For the wave motion represented in the figure above, the wavelength is given by

A. p    B. q     C. r     D. t

Which of the following statements about sound is NOT true?  

A. Sound is a longitudinal wave
B. Sound can be reflected and refracted like light
C. Sound travels through a vacuum
D. Sound moves faster in a steel wire than in air

The force responsible for holding the moon in its orbit around the earth against the gravitational pull of the earth is _____  

A. centrifugal    B. rotational   C. reaction    D. centripeta

A resistance R is connected across the terminal of an electric cell of internal resistance 2 Ω and voltage was reduced to of its nominal value. The value of R is

A. 3 Ω    B. 2 Ω   C. 1 Ω   D. 6 Ω


The activity of a radioactive substance depends on ______ 

A. temperature and purity     
B. temperature and age    
C. purity and age    
D. age, purity and temperature



The figure above represents a frictionless pulley system in which a weight, W is in equilibrium with a weight of 40N. Find the value of W

A. 13.3 N    B. 20.0 N    C. 40.0 N    D. 80.0 N


A transverse wave is applied to a string whose mass per unit length is 3 x 10-2 kgm-1 .If the string is under a tension of 12 N, the speed of propagation of the wave is ______

A. 40 ms-1    B. 30 ms-1    C. 20 ms-1    D. 5 ms-1


A landlord has eight 40W electric light bulbs, four 60W bulbs and two 100W bulbs in his house. If he has all the points on for five hours daily and if PHCN charges 5k per unit, his bill for 30 days is ____

A. N 5.70    B. N 7.23    C. N 3.65    D. N 8.05

A gas would serve as an electrical conductor under ______

A. reduced pressure and reduced potential
B. reduced pressure and high current
C. increased magnetic field
D. exposure to visible light


The core of an efficient transformer should consist of laminated pieces of metal in order to ___

A. increase the heat produced by increasing the eddy current.
B. increase the heat produced by reducing the eddy current
C. reduce the heat produced by increasing the eddy current
D. reduce the heat produced by reducing the eddy current.


Which of the following statements is true of a body which is moving in a straight ¡me with uniform acceleration? The velocity of the body ________ 

A. is also uniform
B. must always be zero when the body stops accelerating
C. will increase with time in the direction of the acceleration
D. is equal to the quotient of distance travelled and time

A heater marked 50W will evaporate 0.005kg of boiling water ¡n 50 seconds. The specific latent heat of vaporization of water in J/kg is _______ 

A. 5.0 x 106   B. 1.0 x 106   C. 2.5 x 106   D. 5.0 x 105

Which of the following are true of atoms?  

A. Atoms are indestructible
B. All atoms of a pure substance, or element, are identical
C. Atoms of different substances have different weights
D. All of the above
Which of the following is true of an electrical charge?

A. Positive charge means deficit electrons
B. Negative charge means excess of electrons
C. Electric current means movement of electrons
D. All of the above

The thermometric substance of an absolute thermometer is ___

A. alcohol    B. mercury    C. helium    D. platinum


An electric iron is rated at 1000 watts, 250V. The corresponding maximum resistance and accompanying current is ______ 

A. 62.5 A, 4.0 Ω       B. 16.0 A, 62.5 Ω      C. 62.5 A 16.0 Ω       D. 4.0 A, 62.5 Ω

Which of the following metals will provide the greatest shield against ionization radiation?

A. Iron    B. Manganese    C. Aluminium    D. Lead


What is the speed of a particle of mass 10-27 kg whose wavelength is 10-8 m? [h = 6.63 x 10-34 Js]

A. 6.63 ms-1    B. 66.30 ms-1    C. 663.00 ms-1    D. 6630.00 ms-1


The terrestrial telescope has one extra lens more than the astronomical telescope. The extra lens is for ____

A. improving the sharpness
B. creating an inverted image
C. magnification of the image
D. erection of the image



The diagram shows a maximum and minimum thermometer divided into three portions P, Q and R. Which of the following is true about the respective contents of P, Q and R?

A. Alcohol, mecury and alcohol
B. Air, alcohol and mercury
C. Mecury, alcohol and mecury
D. Air, mecury and alcohol


A solid weighs 10.0N in air, 6.0 N when fully immersed in water and 7.0 N when fully immersed in a certain liquid X. Calculate the relative density of the liquid.

A. \frac{5}{3}     B. \frac{4}{3}     C. \frac{3}{4}     D. \frac{7}{10}

In copper plating, a current of 0.5 A is allowed for cathode area of 100 cm2. If this current is maintained constant for 100 minutes, the thickness of the copper deposited will be approximately ______. (the electrochemical equivalent of copper = 0.0003 g/oC, density of copper = 104 g/cm3)  

A. 10-2 mm    B. 10-3 mm    C. 10-4 mm   D. 10-5 mm

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