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 1031: In which of the following is the expansion of solids a disadvantage? Options:
  A) Electric iron
  B) Fire alarm
  C) The balance wheel of a watch
  D) The bimetallic thermometer
  E) The fitting of wheels in rims
  Show Answer
  The correct answer is C .
• Question 1032: Two charged particles are projected into a region where there is a magnetic field perpendicular to their velocities. if the charges are deflected in opposite directions, which of the following statements is true of the charge? Options:
  A) the charge must be of opposite sign
  B) positive charges are more in number
  C) the charges are electrically neutral
  D) the charges are of the same sign
  Show Answer
  The correct answer is A .
• Question 1033: The production of pure spectrum could easily be achieved using a? Options:
  A) glass prism with a pin
  B) triangular prism with two convex lens
  C) traingular prism only
  D) triangular prism with two concave lenses
  Show Answer
  The correct answer is B .
• Question 1034:

  A man walks 1km due east and then 1 km due north. His displacement is

  Options:
  A) √2km N 45°E
  B) 1km N 30°E
  C) 1km N 15°E
  D) √2km N 60°E
  Show Answer
  The correct answer is A .
• Question 1035:

  

  Two horizontal forces, 10N and 8N and another force F1 inclined at 30 to the vertical acting as shown in the diagram above, keep the body P in equilibrium, The weight of the body is

  Options:
  A) 2√3/3N
  B) √2N
  C) 4√3/3
  D) 2V3N
  Show Answer
  The correct answer is D .
• Question 1036:

  What force has to be exerted on a mass 60kg to give it an acceleration of 10ms^-2 vertically upwards?

  [g = 10ms^-2

  Options:
  A) 300N
  B) 600N
  C) 1200N
  D) 400N
  Show Answer
  The correct answer is C .
• Question 1037: A planet has mass m₁ and is at a distance r, from the sun. A second planet has mass m₂ = 10m₁ and at a distance of r₂ = 2r₁ from the sun. Determine the ratio of the gravitational force experienced by the planets. Options:
  A) 1 : 5
  B) 2 : 5
  C) 3 : 5
  D) 4 : 5
  Show Answer
  The correct answer is B .
• Question 1038: 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 1039: The process whereby the molecules of different substances move randomly is called? Options:
  A) capillarity
  B) surface tension
  C) osmosis
  D) diffusion
  Show Answer
  The correct answer is D .
• Question 1040: Determine the focal length of a thin converging lens if the power is 5.0 dioptres Options:
  A) 0.1 m
  B) 0.2 m
  C) 2.0 m
  D) 2.5 m
  Show Answer
  The correct answer is B .