Exam Body

Year

Subject

Paper Type

UTME 2024 Physics | Objective

Are you preparing for UTME exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2024 Physics (Objective) questions designed to simulate the real exam environment.

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Question 1

A palm fruit dropped to the ground from the top of a tree 45 m tall. How long does it take to reach the ground? [g = \(10 ms^{-2}\)]

A. 9s

B. 4.5s

C. 6s

Correct D. 3s

Correct Answer: D

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Question 2

The following are some units I. NS II. Nm III. \( \mathrm{Nm}^{-2} \) IV. \( \mathrm{J}^{\circ} \mathrm{K}^{-1} \) V. \( \mathrm{JKg}^{-1} \) What are the units of latent heat?

A. I

B. II

C. IV

Correct D. V

Correct Answer: D

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Question 3

Which one of the following types of waves cannot travel through a vacuum?

Correct A. sound waves

B. light waves

C. infra-red waves

D. radio waves

Correct Answer: A

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Question 4

In an electrolysis experiment, a cathode of mass 5 g is found to weigh 5.01 g after a current of 5 A flows for 50 seconds. What is the electrochemical equivalent of the deposited substance?

Correct A. \( 0.00004 \mathrm{~g} / \mathrm{C} \)

B. \( 0.00002 \mathrm{~g} / \mathrm{C} \)

C. \( 0.02500 \mathrm{~g} / \mathrm{C} \)

D. \( 0.05000 \mathrm{~g} / \mathrm{C} \)

Correct Answer: A

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Question 5

The figure above shows the velocity-time graph of a car which starts from rest and is accelerated uniformly at the rate of \( 3 \mathrm{~m} \mathrm{sec}^{-2} \) for 5 seconds. It attains a velocity which is maintained for 1 minute. The car is then brought to rest by a uniform retardation after another 3 seconds. Calculate the total distance covered.

A. 900 metres

B. 860 metres

C. 1020 metres

Correct D. 960 metres

Correct Answer: D

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Question 6

The total capacitance of the circuit above is

A. \( 0.25 m F \)

B. 1.50 mF

C. \( 0.75 m F \)

D. 1.25 mF

Correct Answer: E

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Question 7

Which of the following statements is NOT true of the image in a plane mirror? The image is

A. the same size as the object

B. laterally inverted

C. virtual

Correct D. magnified

Correct Answer: D

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Question 8

A calorimeter of thermal capacity 80 J contains 20 g of water at \( 25^{\circ} \mathrm{C} \). Water at \( 100^{\circ} \mathrm{C} \) is added so that the final temperature of the set-up is \( 50^{\circ} \mathrm{C} \). The amount of water added is

Correct A. 20 g

B. 25 g

C. 45 g

D. 50 g

Correct Answer: A

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Question 9

When a fixed mass of an ideal gas expands at constant temperature, which property of the gas molecules increases?

A. Average number per unit volume

B. Average number of collisions per unit time

C. Average speed

Correct D. Average separation

Correct Answer: D

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Question 10

A body of mass 6 kg rests on an inclined plane. The normal reaction is \( R \) and the limiting frictional force is \( F \) as shown in the diagram. If \( F \) is \( 30 N \) and \( g=10 m s^{-2} \), then the angle of inclination \( \theta \) is

A. \( 15^{\circ} \)

Correct B. \( 30^{\circ} \)

C. \( 45^{\circ} \)

D. \( 60^{\circ} \)

Correct Answer: B

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Question 11

Alternating current can induce voltage because it has a

A. ripple value

B. weaker magnetic field than direct current

Correct C. varying magnetic field

D. stronger magnetic field than direct current

Correct Answer: C

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Question 12

A man stands on a spring scale placed in a lift. The lift descends at constant velocity. As a result, the scale reads a weight

A. greater than the weight of the man

Correct B. the same as the weight of the man

C. of zero

D. less than the weight of the man

Correct Answer: B

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Question 13

The combination of sound waves with different frequencies is known as

A. interference

B. diffraction

Correct C. superposition

D. forced vibrations

Correct Answer: C

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Question 14

A rod of length 10 cm is heated through \( 100^{\circ} \mathrm{C} \) and its final length is 10.26 cm. What is the co-efficient of linear expansion of the rod?

Correct A. 0.026 per degree centigrade

B. 0.06026 per degree centigrade

C. 0.26 per degree centigrade

D. 1.0026 per degree

Correct Answer: A

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Question 15

What is the resultant resisti of the circuit in the diagram?

A. \( 11 \Omega \)

B. \( 4 \Omega \)

Correct C. \( 8 \Omega \)

D. \( 3.6 \Omega \)

Correct Answer: C

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Question 16

In a resonance tube experiment as shown in the diagram, the frequency of the tuning fork is 750 Hz and the resonating length of the air column is 0.3 m. The velocity of the wave is

A. \( 1,850 \mathrm{~ms}^{-1} \)

B. \( 225 \mathrm{~ms}^{-1} \)

Correct C. \( 300 \mathrm{~ms}^{-1} \)

D. \( 2,500 \mathrm{~ms}^{-1} \)

Correct Answer: C

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Question 17

Which of the following arrangements in the sequence shown can be used to obtain a pure spectrum of white light?

Correct A. Source, slit, converging lens, prism, converging lens, screen

B. Source, slit, diverging lens, prism, diverging lens, screen

C. Source, converging lens, prism, diverging lens, screen

D. Source, slit, diverging lens, converging lens, screen

Correct Answer: A

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Question 18

A 24 V potential difference is applied across a parallel combination of four 6-ohm resistors. The current in each resistor is

A. 1A

Correct B. 4 A

C. 16 A

D. 18 A

Correct Answer: B

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Question 19

Which of the following statements is CORRECT? I. The mass number is equal to the total number of protons and electrons in an atom II. The atomic number is equal to the number of protons in an atom III. The number of electrons in an atom is equal to the total number of protons and neutrons in the nucleus.

A. I only

B. III only

Correct C. II only

D. I and II only

Correct Answer: C

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Question 20

Which of the following best describes the energy changes which take place when a steam engine drives a generator which lights a lamp?

A. Heat → Light → Sound → Kinetic

B. Kinetic → Light → Heat → Electricity

Correct C. Heat → Kinetic → Electricity → Heat and Light

D. Electricity → Kinetic → Heat → Light

Correct Answer: C

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Question 21

The difference of potential between the terminals of a cell is 2.2 volts. When a 4 ohm resistor is connected across the terminals of this cell, the potential difference is 2 volts. What is the internal resistance of the cell?

A. 0.10 ohms

B. 0.25 ohms

C. 2.50 ohms

Correct D. 0.40 ohms

Correct Answer: D

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Question 22

The specific latent heat of vaporization of a substance is always

A. less than its specific latent heat of fusion

Correct B. greater than its specific heat of fusion

C. equal to its specific latent heat of fusion

D. all of the above depending on the nature of the substance

Correct Answer: B

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Question 23

Which of the following components is NOT contained in a dry cell?

A. carbon rod

B. paste of magnesium dioxide

C. paste of ammonium chloride

Correct D. copper rod

Correct Answer: D

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Question 24

For which of the underlisted quantities is the derived unit \( M L^{2} T^{-2} \) correct? I. Moment of a force II. Work III. Acceleration

A. I only

B. II only

C. III only

Correct D. I and II

Correct Answer: D

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Question 25

If a solid changes directly into a gas when heat is applied the process is called

A. vaporization

B. evaporation

Correct C. sublimation

D. ionization

Correct Answer: C

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