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 411:

  23	Na + X →	20	F +	4	He
  11		9		2

  What particle is X in the reaction above?

  Options:
  A) Alpha
  B) Beta
  C) Neurons
  D) Gamma
  Show Answer
  The correct answer is C .
• Question 412: 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 413: A man exerts a pressure of 2.8 x 10³Nm^-2 on the ground and has 4 x 10^-2m² of his feet in contact with the ground. The weight of the man is Options:
  A) 102N
  B) 70N
  C) 140N
  D) 112N
  Show Answer
  The correct answer is D .
• Question 414: 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 415: The gravitational field intensity at a location X, in space, is two-fifths of its value on the earth’s surface. If the weight of an object at X is 4.80N. what is its weight on the earth? Options:
  A) 1.92N
  B) 2.88N
  C) 6.72N
  D) 8.00N
  E) 12.00N
  Show Answer
  The correct answer is E .
• Question 416: How far from a hill should a boy stand to hear the echo of his clap 1 .6s later? [Speed of sound in air is 340ms^-1] Options:
  A) 186m
  B) 272m
  C) 544m
  D) 1088m
  E) 2000m
  Show Answer
  The correct answer is B .
• Question 417: The lack of power of accommodation which is mainly due to the hardening of the eye lens and is usual with onset of old age is called? Options:
  A) myopia
  B) hypermyopia
  C) presbyopia
  D) astigmatism
  E) eye ring
  Show Answer
  The correct answer is C .
• Question 418:

  Water and Kerosine are drawn respectively into the two limbs of a Hare's apparatus. The destiny of water is 1.0gcm${}^{-3}$ and the density of kerosine is 0.80gcm${}^{-3}$. If the height of the water column is 20.0cm, calculate the height of the kerosine column.

  Options:
  A) 1.6cm
  B) 16.0cm
  C) 20.0cm
  D) 25.0cm
  Show Answer
  The correct answer is D .
• Question 419: One special advantage of alcohol over mercury as a thermometric liquid is its Options:
  A) low density
  B) low freezing point
  C) high specific
  D) low boiling point
  Show Answer
  The correct answer is B .
• Question 420: Which of the following is most suitable for protecting the circuit of 2000W electric iron connected to a 250V mains? Options:
  A) 13A
  B) 8A
  C) 5A
  D) 3A
  Show Answer
  The correct answer is B .