Physics Exam Past Questions and Answers | JAMB, WAEC and NECO

Physics is the science that studies the nature and properties of matter and energy. It covers topics like motion, heat, light, sound, electricity, magnetism, and the structure of atoms.

• Question 611: Which of the following statements is NOT correct? Options:
  A) Molecules of a liquid are stationary
  B) Brownian motion is an evidence of particle nature of matter
  C) Matter is made up of molecules
  D) The molecules of matter are in constant motion
  Show Answer
  The correct answer is A .
• Question 612: Equal masses of copper and rubber are raised to the same temperature. After sometimes, the copper was observed to be at a lower temperature because Options:
  A) the specific heat capacity of copper is lower than that of rubber
  B) copper expands more than rubber
  C) the specific heat capacity of rubber is lower than that of copper
  D) rubber expands more than copper
  Show Answer
  The correct answer is A .
• Question 613: The work done in extending a spring by 40mm is 1.52J. Calculate the elastic’constant of the spring. Options:
  A) 38.8 Nm^-1
  B) 60.8 Nm^-1
  C) 190.0 Nm^-1
  D) 1900.0 Nm^-1
  E) 3800.0 Nm^-1
  Show Answer
  The correct answer is D .
• Question 614: The length of a side of a metallic cube at 20^oC is 5.0cm. Given that the linear expansivity of the metal is 4.0 x 10^-5k^-1, find the volume of the cube at 120^oC . Options:
  A) 126.50cm³
  B) 126.25cm³
  C) 126.00cm³
  D) 125.00cm³
  Show Answer
  The correct answer is A .
• Question 615: The electrochemical equivalent of a metal is 0.126 x 10^-6 kgC^-1. The mass of the metal that a current of 5A will deposit from a suitable bath in 1 hour is Options:
  A) 0.0378 x 10 ^-3kg
  B) 0.227 x 10 ^-3kg
  C) 0.378 x 10 ^-3kg
  D) 0.595 x 10 ^-3kg
  E) 2.268 x 10 ^-3kg
  Show Answer
  The correct answer is E .
• Question 616: Two parallel plates at a distance of 8.0 x 10^-3m apart are maintained at a p.d of 600 volts with the negative plate earthed. What is the electric field strength? Options:
  A) 4.8 Vm^-1
  B) 75.0Vm^-1
  C) 4800.0Vm^-1
  D) 75000.0Vm^-1
  Show Answer
  The correct answer is D .
• Question 617: Given the progressive wave equation y = 5 sin (2000 πt - 0.4x), calculate wave length Options:
  A) 12.4 m
  B) 15.7 m
  C) 17.5 m
  D) 18.6 m
  Show Answer
  The correct answer is B .
• Question 618:

  Arrange the following in the order of their increasing frequency.I. Visible light

  II. Gamma rays

  III. Radio waves

  IV. Infra-red radiation

  V. Ultra-violet radiation

  Options:
  A) I, II, III, IV, V
  B) II, III, IV, V, I
  C) III, IV, V, I, II
  D) IV, III, I. V, II
  E) III, IV, I,V, II
  Show Answer
  The correct answer is E .
• Question 619: The heat required to raise a mass of a substance through 1K is known as Options:
  A) Specific heat capacity
  B) Specific latent heat of vaporization
  C) Capacity latent heat of fusion
  D) Heat capacity
  Show Answer
  The correct answer is D .
• Question 620: Which of the following statements is correct about light and sound waves? Both Options:
  A) are longitudinal waves
  B) are transverse waves
  C) have the same velocity in air
  D) need a medium for propagation
  E) transmit energy
  Show Answer
  The correct answer is E .