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 101: Natural radioactivity is the random spontaneous disintegration of the nuclei of heavy isotopes of certain elements with the emission of Options:
  A) $\alpha$, X, and $\beta$
  B) $\alpha$, $\beta$ and $\gamma$-rays
  C) X, $\alpha$, $\gamma$-ray
  D) $\alpha$, $\beta$ and X-rays
  Show Answer
  The correct answer is B .
• Question 102:

  

  The diagram above shows the prism arrangement in a

  Options:
  A) binocular
  B) spectrometer
  C) periscope
  D) projector
  Show Answer
  The correct answer is C .
• Question 103:

  Which of the following media allow the transmission of sound waves through them?

  I. air

  II. liquid

  III. solids

   

  Options:
  A) I and II only
  B) I and III only
  C) II and III only
  D) I, II and III
  Show Answer
  The correct answer is D .
• Question 104: A zinc has a heat capacity of 40 J/K, what is the mass of the zinc, given that the specific heat of zinc is 380 J/kg k Options:
  A) 0.11kg
  B) 0.12kg
  C) 0.13kg
  D) 0.14kg
  Show Answer
  The correct answer is A .
• Question 105:

  

  In the diagram above, the values of V₁ and V₂ are respectively

  Options:
  A) 1V and ¹/₃V
  B) ¹/₃V and 1V
  C) ¹/₃V and ²/₃V
  D) 1V and ²/₃V
  Show Answer
  The correct answer is D .
• Question 106: Two resistors 5Ω and 10Ω are arranged first in series and later in parallel to a 24V source, the ratio of total power dissipated in the series and parallel arrangements respectively is Options:
  A) 5:3
  B) 1:50
  C) 50:1
  D) 3:5
  E) No Correct Option
  Show Answer
  The correct answer is E .
• Question 107: A solid weigh 10 .00 N in air, 6 N when fully immersed in water and 7 . 0 N when fully immersed in a liquid X. Calculate the relative density of the liquid, X. Options:
  A) 5/3
  B) 4/3
  C) 3/4
  D) 7/10
  Show Answer
  The correct answer is C .
• Question 108: The angle of deviation of light of various colours passing through a triangular prism increases in the order Options:
  A) red → green → blue
  B) green → violet → blue
  C) blue → red → green
  D) blue → green → red
  Show Answer
  The correct answer is A .
• Question 109:

  Which of the following is not a vector quantity?

  Options:
  A) momentum
  B) force
  C) temperature
  D) displacement
  Show Answer
  The correct answer is C .
• Question 110: Normal atmospheric pressure at sea-level is 10⁵Nm^-2 and the acceleration due to gravity is approximately 10ms^-1. If the atmosphere has a uniform density of 1kgm^-3, its height is Options:
  A) 100m
  B) 1000m
  C) 10 000m
  D) 100 000m
  E) 1000 000m
  Show Answer
  The correct answer is C .