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 2601: Change of state is accompanied by change of Options:
  A) temperature
  B) volume
  C) heat content
  D) temperatureb and volume
  E) volume and heat content
  Show Answer
  The correct answer is C .
• Question 2602: An inclined plane of angle $\theta$, acting as a simple machine, has a velocity ratio Options:
  A) sin$\theta$
  B) $\frac{1}{\text{sin}\theta }$
  C) cos$\theta$
  D) $\frac{1}{\text{cos}\theta }$
  E) sin$\theta cos\theta$
  Show Answer
  The correct answer is B .
• Question 2603: The correct expression for the potential at a point distance r from a charge q in an electric field is Options:
  A)

  _q2

  4πεor2

  
  B)

  _q2

  4πεor

  
  C)

  _q

  4πεor2

  
  D)

  _q

  4πεor

  
  Show Answer
  The correct answer is D .
• Question 2604: A short chain is sometimes attached to the back of a petrol tanker to? Options:
  A) generate more friction
  B) ensure the balancing of the tanker
  C) caution the driver when overspeeding
  D) conduct excess charges to the car
  Show Answer
  The correct answer is D .
• Question 2605: 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 2606: Which of the following is NOT an effect that can be produced by an electric current? Options:
  A) heat
  B) light
  C) sound
  D) motion
  E) none of the above
  Show Answer
  The correct answer is E .
• Question 2607: A cell whose internal resistance is 0.5Ω delivers a current of 4A to an external resistor,The loss voltage of the cell is Options:
  A) 1.250V
  B) 2.000V
  C) 8.000V
  D) 0.125V
  Show Answer
  The correct answer is B .
• Question 2608:

  Two bodies have masses in the ratio3:1. They experience forces whichimpart to them,acceleration in the ratio 2:9 respectively. Find the ratio of forces the masses experienced

  Options:
  A) 1:4
  B) 2:1
  C) 2:3
  D) 2:5
  Show Answer
  The correct answer is C .
• Question 2609: The length of a simple pendulum is increased by a factor of four. By what factor is its period Increased? Options:
  A) 0.25
  B) 0.5
  C) 1.66
  D) 2
  E) 4
  Show Answer
  The correct answer is D .
• Question 2610: What is the approximate critical angle for total internal reflection for diamond if the refractive index of diamond is 2.42? Options:
  A) 21^o
  B) 22^o
  C) 23^o
  D) 24^o
  Show Answer
  The correct answer is D .