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 1271:

  I. Moon.

  II. Sun.

  III.street light.

  IV. stars.

  Which of these above is a natural source of light?

  Options:
  A) II, III, and IV only
  B) I, II and III only
  C) III and IV only
  D) II and IV only
  Show Answer
  The correct answer is D .
• Question 1272: A note is called an octave of another note when Options:
  A) its frequency is twice that of the first note
  B) its frequency is half of the first note
  C) the notes have the same fundamental frequency
  D) its periodic time is twice that of the first note
  Show Answer
  The correct answer is A .
• Question 1273: Lenz’s law of electromagnetic induction states that Options:
  A) e.m.f. is induced in a circuit whenever there is a change in the magnetic flux linked with the circuit
  B) the induced e.m.f. in a circuit is proportional to the rate of change f the number of lines of force linking the circuit
  C) the induced current in a conductor is in such a direction as to oppose the change producing it
  D) a force is exerted in a current-carrying conductor in a magnetic field.
  E) the induced e.m.f. is proportional to the current producing the magnetic flux.
  Show Answer
  The correct answer is C .
• Question 1274:

  I. Force (N)

  II.Torque (NM)

  III. Current (A)

  IV. Power (W)

  Which of the above are the correct S. I: units of the quantities indicated?

  Options:
  A) I and II only
  B) I and III only
  C) I, II and III only
  D) I, III and IV only
  Show Answer
  The correct answer is D .
• Question 1275: The angle of deviation of light of various colours passing through a triangular prism increases in the order Options:
  A) red → green → blue
  B) green → violet → blue
  C) blue → red → green
  D) blue → green → red
  Show Answer
  The correct answer is A .
• Question 1276:

  Arrange the following in the order of their increasing frequency.I. Visible light

  II. Gamma rays

  III. Radio waves

  IV. Infra-red radiation

  V. Ultra-violet radiation

  Options:
  A) I, II, III, IV, V
  B) II, III, IV, V, I
  C) III, IV, V, I, II
  D) IV, III, I. V, II
  E) III, IV, I,V, II
  Show Answer
  The correct answer is E .
• Question 1277: Which of the following statements is correct? Options:
  A) Alpha particles have a large mass and high penetrating power
  B) Alpha particles have a small mass and a low penetrating power
  C) Beta partials have no mass and a high penetrating power
  D) Beta particles have a large mass and a low penetrating power
  E) Gamma rays have no mass and a high penetrating power
  Show Answer
  The correct answer is E .
• Question 1278: A gas at a pressure of 10⁵Nm^-2expands from 0.6m^-3 to 1.2m³ at constant temperature, the work done is Options:
  A) 7.0 x 10⁶J
  B) 6.0 x 10 ⁶J
  C) 6.0 x 10 ⁵J
  D) 6.0 x 10 ⁴J
  Show Answer
  The correct answer is D .
• Question 1279: If the force and the velocity on a system are each reduced simultaneously by half, the power of the system is Options:
  A) doubled
  B) reduced to a quarter
  C) reduced by half
  D) constant
  Show Answer
  The correct answer is B .
• Question 1280:

  Arrange the following in the order of their increasing frequency.I. Visible light

  II. Gamma rays

  III. Radio waves

  IV. Infra-red radiation

  V. Ultra-violet radiation

  Options:
  A) I, II, III, IV, V
  B) II, III, IV, V, I
  C) III, IV, V, I, II
  D) IV, III, I. V, II
  E) III, IV, I,V, II
  Show Answer
  The correct answer is E .