UTME 2022 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The angle of deviation of light of various colours passing through a triangular prism is in the order
A. red → green → blue
B. green → violet → blue
C. blue → red → green
D. blue → green → red
Question 2
The particle that is responsible for nuclear fission in a nuclear reactor is
A. electron
B. photon
C. proton
D. neutron
Question 3
The ground is always cold at night because the
A. the sun no longer shines at night
B. atmosphere reflects the sun's energy at night
C. atmosphere absorbs the sun's energy at night
D. earth radiates heat to the atmosphere at night
Question 4
A transistor functions mainly as a
A. switch and an amplifier
B. rectifier and an amplifier
C. charge storer and a switch.
D. charge storer and an amplifier
Question 5
The net capacitance in the circuit shown above is
A. \( 8.0 \mu \mathrm{~F} \)
B. \( 6.0 \mu \mathrm{~F} \)
C. \( 2.0 \mu F \)
D. \( 4.0 \mu F \)
Question 6
A pressure cooker saves both time and fuel in cooking because inside the cooker, the
A. pressure is constant
B. boiling point of water is raised
C. heat is completely trapped
D. temperature is evenly distributed.
Question 7
If current flows in the direction of the arrows in the solenoid above, the North pole is at
A. P
B. Q
C. X
D. Y
Question 8
Electrical appliances in homes are normally earthed so that
A. a person touching the appliances is safe from electric shock.
B. both the a.c. and d.c. sources can be used.
C. the appliances are maintained at a higher p.d. than the earth.
D. the appliances are maintained at a lower p.d. than the earth.
Question 9
A charge of one coulomb liberates 0.0033 g of copper in an electrolytic process. How long will it take a current of 2 A to liberate 1.98 g of copper in such a process?
A. 30 minutes
B. 5 minutes
C. 50 minutes
D. 60 minutes
Question 10
\(2000 cm^3 \) of a gas is collected at 27°C and 700 mmHg. What is the volume of the gas at standard temperature and pressure?
A. \(1896.5 cm^3 \)
B. \( 1767.3 cm^3 \)
C. \( 1675.44 cm^3 \)
D. \( 1456.5 cm^3 \)
Question 11
When the bottom tip of a vibrating tuning fork is held in contact with a wooden box, a louder sound is heard. This phenomenon is known as
A. beats
B. echoing
C. reverberation
D. resonance
Question 12
A magnet is moved through a coil of wire. The e.m.f. produced in the wire depends on
A. the number of turns in the coil
B. the strength of the magnet
C. the speed at which the magnet is moved
D. all of the above.
Question 13
When impurities are added to semi-conductors, the conductivity of the semi-conductor
A. decreases
B. increases then decreases.
C. increases
D. remains constant
Question 14
Which of the following characteristics of a wave is used in the measurement of the depth of the sea?
A. Diffraction
B. Reflection
C. Refraction
D. Interference
Question 15
If a beaker is filled with water, it is observed that the surface of the water is not horizontal at the glass-water interface. This behaviour is due to
A. friction
B. surface tension
C. viscosity
D. evaporation

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