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 1011: A ball of mass 100g falls from a height of 5m onto a concrete floor and rebounds to a height of 3m. Calculate the energy lost. (g = 10ms^-2) Options:
  A) 2J
  B) 20J
  C) 100J
  D) 1000J
  E) 2000J
  Show Answer
  The correct answer is A .
• Question 1012: which of the following materials is a conductor? Options:
  A) Glass
  B) Wax
  C) Sodium
  D) Plastic
  Show Answer
  The correct answer is C .
• Question 1013: The angular dispersion of a prism depends on Options:
  A) the index of refraction only
  B) the angle of incidence as well as the index of refraction
  C) the angle of incidence only
  D) the thickness of the prism
  E) the prism angle
  Show Answer
  The correct answer is A .
• Question 1014:

  

  The figure above shows a block of mass m sliding down a rough inclined plane QP at angle $\theta$ . The forces acting on the block along QP are

  Options:
  A) mg sinθ and the normal reaction
  B) mg sinθ and the force of friction
  C) mg sinθ and the normal reaction
  D) mg cosθ and the normal reaction
  Show Answer
  The correct answer is B .
• Question 1015: Which device does NOT make use of the magnetic effects of an electric current? Options:
  A) hot-wire ammeter
  B) moving-coil ammeter
  C) moving-coil loudspeaker
  D) moving-iron ammeter
  E) telephone earpiece
  Show Answer
  The correct answer is A .
• Question 1016: Which of the following pairs of musical instruments produce sound due to the vibration of air column? Options:
  A) Bell and piano
  B) Guitar and flute
  C) Trumpet and drum
  D) Trumpet and flute
  E) Violin and organ
  Show Answer
  The correct answer is D .
• Question 1017: If the Nigeria flag (green, white, green) is viewed in pure yellow light, which of the following set of colours would be observed on the flag? Options:
  A) Green, yellow, green
  B) Red, yellow, red
  C) black, yellow, black
  D) Green, white, green
  Show Answer
  The correct answer is A .
• Question 1018: Total internal reflection occurs when light moves from Options:
  A) a dense medium to a less dense medium
  B) air to water
  C) water to glass
  D) a less dense to a dense medium
  Show Answer
  The correct answer is A .
• Question 1019:

  The clinical thermometer differs from other mercury-in-glass thermometers because it has I. a constriction

  II. a wide range

  III. a short range

  IV. a narrow bore. Which of the above are correct?

  Options:
  A) I and II only
  B) I and III only
  C) III and IV only
  D) I,II and III only
  E) I, III and IV only
  Show Answer
  The correct answer is B .
• Question 1020:

  A ball of mass 0.5kg moving at 10ms${}^{-1}$ collides with another ball of equal mass at rest. If the two balls move off together after the impact, calculate their common velocity.

  Options:
  A) 0.2ms${}^{-1}$
  B) 0.5ms${}^{-1}$
  C) 5.0ms${}^{-1}$
  D) 5.5ms${}^{-1}$
  Show Answer
  The correct answer is C .