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: Which of the following statements is correct about light and sound waves? Both Options:
  A) are longitudinal waves
  B) are transverse waves
  C) have the same velocity in air
  D) need a medium for propagation
  E) transmit energy
  Show Answer
  The correct answer is E .
• Question 2:

  The resultant of two forces 12N and 5N is 13N. What is the angle between the two forces?

  Options:
  A) 0^o
  B) 45^o
  C) 90^o
  D) 180^o
  Show Answer
  The correct answer is C .
• Question 3: What is the effect of the increase in the size of the hole of a pin-hole camera on the image? it Options:
  A) gives a blurred image
  B) corrects for chromatic aberration
  C) magnifies the image
  D) brings the image into a sharper focus
  Show Answer
  The correct answer is A .
• Question 4:

  

  The diagram above represents the stress-strain graph of a loaded wire. Which of these statements is correct?

  Options:
  A) At J, the wire becomes plastic
  B) J is the yield point
  C) L is the elastic limit
  D) At K, the wire breaks
  Show Answer
  The correct answer is B .
• Question 5:

  Which of the following instruments may be used to measure relative humidity?

  Options:
  A) Hydrometer
  B) Manometer
  C) Hygrometer
  D) Hypsometer
  Show Answer
  The correct answer is C .
• Question 6: 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 7: A piece of stone weights 180 N in air and 150 N in a beaker containing 160 N of methylated spirit. What is the up thrust exerted on the stone? Options:
  A) 50N
  B) 40N
  C) 30N
  D) 20N
  E) 10N
  Show Answer
  The correct answer is C .
• Question 8: A machine whose efficiency is 60% has a velocity ratio of 5. If a force of 500N is applied to lift a load P, what is the magnitude of P? Options:
  A) 1500N
  B) 500N
  C) 4166N
  D) 750N
  Show Answer
  The correct answer is A .
• Question 9: The pitch of an acoustic device can be increased by Options:
  A) increasing the frequency
  B) increasing the amplitude
  C) decreasing the loudness
  D) decreasing the intensity
  Show Answer
  The correct answer is A .
• Question 10: The density of a solid is defined as the Options:
  A) mass of the solid compared to the mass of an equal volume of water
  B) amount of water displaced when a unit mass of thesolid is immersed in it
  C) weight per unit volume of the solid
  D) volume per unit mass of the solid
  E) mass per unit volume of the solid
  Show Answer
  The correct answer is E .