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 1:

  A balloon inflated with helium gas at ground level is released. As it rises through a constant temperature atmosphere.

  Options:
  A) its pressuren reduces but volume remains constant
  B) te product of pressure and volume remains constant
  C) both pressure and volume increases
  D) its pressure remains constant but the volume decreases
  E) both pressure and volume remains constant
  Show Answer
  The correct answer is B .
• Question 2:

  

  The diagram above shows a velocity time graph representing the motion of a car. Find the total distance covered during the acceleration and retardation of the motion

  Options:
  A) 75m
  B) 150m
  C) 300m
  D) 375m
  Show Answer
  The correct answer is A .
• Question 3: The electrochemical equivalent of silver is 0.0012gC^-1. If 36.0g of silver is to be deposited by electrolysis on a surface by passing a steady current for 5.0mins, the current must be Options:
  A) 6000A
  B) 100A
  C) 10A
  D) 1A
  Show Answer
  The correct answer is B .
• Question 4:

  A straight wire 15cm long, carrying a current of 6.0A is in a uniform field of 0.40T. What is the force on the wire when it is at right angle to the field

  Options:
  A) 0.46N
  B) 0.35N
  C) 0.36N
  D) 0,24N
  Show Answer
  The correct answer is C .
• Question 5: Electric charges on the surface of a conductor would be most evenly distributed if the shape of the conductor is Options:
  A) conical
  B) cubical
  C) cylindrical
  D) parabolic
  E) spherical
  Show Answer
  The correct answer is C .
• Question 6: Which of the following properties makes metals ideal for cooking utensils? Options:
  A) high coefficient of expansion
  B) good conduction of heat
  C) low specific heat capacity
  D) poor radiation of heat
  Show Answer
  The correct answer is B .
• Question 7: A band of 500 rectangular loops of wire of area 20 cm by 20 cm, encloses a region of magnetic field which charges from 1.0T to 0.4T within 5 seconds, calculate the induced e.m.f. Options:
  A) 5.60 v
  B) 24.00 v
  C) 0.24 v
  D) 2.40 v
  Show Answer
  The correct answer is D .
• Question 8: The relationship between L and the wavelength I of the stationary wave is Options:
  A) 2L = $\lambda$
  B) L = $\lambda$
  C) L = $\frac{\lambda }{3}$
  D) 4L = 3 $\lambda$
  Show Answer
  The correct answer is D .
• Question 9:

  

  If ray travelling in air is incident on a transparent medium as shown in the diagram, the refractive index of the medium is given as

  Options:
  A) cosα / sinβ
  B) sinα / sinβ
  C) cosβ / sinα
  D) sinβ / sinα
  Show Answer
  The correct answer is A .
• Question 10:

  The slope of the straight line displacement-time graph indicates?

  Options:
  A) distance traveled
  B) uniform velocity
  C) uniform acceleration
  D) uniform speed
  Show Answer
  The correct answer is B .