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 991: 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 992: A body of mass 12kg traveling at 4.2ms^-1 collides with a second body of mass 18kg at rest. Calculate their common velocity if the two bodies coalesce after collision Options:
  A) 1.5 ms^-1
  B) 1.4 ms^-1
  C) 2.1 ms^-1
  D) 1.7 ms^-1
  Show Answer
  The correct answer is D .
• Question 993:

  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 .
• Question 994: Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, then Options:
  A) A and B are equal
  B) A is greater than B
  C) the angle between A and B is 0°
  D) the angle between A and B is 90°
  E) the angle between A and B is 180°
  Show Answer
  The correct answer is E .
• Question 995: A bullet fired vertically from upward from a gun held 2.0 m above the ground reaches its maximum height in 4.0s. calculate its initial velocity.
  [g = 10ms^-2] Options:
  A) 10 ms^-1
  B) 8 ms^-1
  C) 40 ms^-1
  D) 20 ms^-1
  Show Answer
  The correct answer is C .
• Question 996: Two particles X and Y starting from rest cover the same distance. The acceleration of X is twice that of Y. the ratio of the time taken by X to that taken by Y is Options:
  A) $\frac{1}{2}$
  B) $\frac{1}{\sqrt{2}}$
  C) $\frac{1}{\sqrt{2}}$
  D) $\sqrt{2}$
  E) 4
  Show Answer
  The correct answer is C .
• Question 997:
  

  In which of the following diagrams is the length of the tube equal to one wavelength?

  Options:
  A) a
  B) b
  C) c
  D) d
  Show Answer
  The correct answer is C .
• Question 998:

  A ball of mass 0.1kg is thrown vertically upwards with a speed of 10ms${}^{-1}$ from the top of a tower 10m high. Neglecting air resistance, its total energyjust before hitting the ground is? (Take g = 10ms${}^{-2}$)

  Options:
  A) 5J
  B) 10J
  C) 15J
  D) 20J
  Show Answer
  The correct answer is C .
• Question 999:

  Tyres are treaded to?

  Options:
  A) increase weight of tyres
  B) increase friction
  C) increase its longevity
  D) look good
  Show Answer
  The correct answer is B .
• Question 1000: In alternating current circuit at resonance, the angel of lead or lag is Options:
  A) π°
  B) (π)/2°
  C) (π)/3°
  D) 0°
  Show Answer
  The correct answer is B .