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 NOT true? Options:
  A) A lead-acid accumulator can deliver a large current because of its very large internal resistance.
  B) A secondary cell can be recharged.
  C) As a lead-acid accumulator is being charged, the density of the acid in it increases.
  D) The chemical action in a primary cell is irreversible.
  E) The conventional current in a circuit rlows from the positive to the negative terminal of the battery.
  Show Answer
  The correct answer is A .
• Question 2:

  Which of the following statements is correct about the angle of dip at various points on Earth?

  Options:
  A) The angle of dip is zero at the equator and 90 degrees at the magnetic poles.
  B) The angle of dip is greater at higher altitudes than at lower altitudes
  C) The angle of dip is positive in the northern hemisphere and negative in the southern hemisphere.
  D) The angle of dip is constant at all points on Earth
  Show Answer
  The correct answer is A .
• Question 3: The bond between silicon and germanium is Options:
  A) covalent
  B) ionic
  C) dative
  D) electrovalent
  Show Answer
  The correct answer is A .
• Question 4: Two lamps are rated 40W and 220V each are connected in series. The total power dissipated in both lamps is Options:
  A) 10W
  B) 20W
  C) 40W
  D) 80W
  E) None of the above
  Show Answer
  The correct answer is D .
• Question 5: Steel is more suitable for permanent magnet than iron because the former Options:
  A) is easily demagnetized by shaing vigorously
  B) is an alloy of many metals
  C) is easily magnetized by alternating current through one cycle
  D) retains magnetism more than iron
  Show Answer
  The correct answer is D .
• Question 6: Light of velocity 3 x 10⁸ms^-1 is incident on a material of reflective of index n. If the velocity of light is reduced to 2.4 x 10⁸ms^-1 in the material, what is n? Options:
  A) 2.33
  B) 2.25
  C) 1.33
  D) 1.25
  Show Answer
  The correct answer is D .
• Question 7: A weightless vessel of dimensions 4m x 3m x 2m is filled with a liquid of density 1000kgm^-3 and sealed. What is the maximum pressure this container can exert on a flat surface? [g = 10ms^-2] Options:
  A) 9 x 10⁴NM^-2
  B) 4 x 10⁴NM^-2
  C) 3 x 10⁴NM^-2
  D) 2 x 10⁴NM^-2
  Show Answer
  The correct answer is D .
• Question 8: The quantity of heat needed to raise the temperature of a body by 1K is the body's Options:
  A) Heat capacity
  B) Internal energy
  C) Specific heat capacity
  D) Latent heat of fusion
  Show Answer
  The correct answer is A .
• Question 9:

  A reservoir is filled with liquid of density 2000 kgm${}^{-1}$. Calculate the depth at which the pressure in the liquid will be equal to 9100 Nm${}^{-2}$ (g = 10 ms${}^{-2}$)

  Options:
  A) 0.262 m
  B) 0.664 m
  C) 0.819 m
  D) 0.455 m
  Show Answer
  The correct answer is D .
• Question 10:

  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 .