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 1171:

  A gas at a volume of V${}_0$ in a container at pressure p${}_0$ is compressed to one-fifth of its volume. What will be its pressure if the magnitude of its original temperature T is constant?

  Options:
  A) $\frac{p_0}{5}$
  B) $\frac{4p_0}{5}$
  C) p${}_0$
  D) 5P${}_0$
  Show Answer
  The correct answer is D .
• Question 1172: The small droplets of water that form on the grass in the early hours of the morning is Options:
  A) Fog
  B) Haul
  C) Mist
  D) Dew
  Show Answer
  The correct answer is D .
• Question 1173:

  One newton × One meter equals?

  Options:
  A) One water
  B) One Joule
  C) One ampere
  D) One kilogram
  Show Answer
  The correct answer is B .
• Question 1174: An object of weight 80kg on earth is taken to a planet where acceleration due to gravity is one-third of its value on earth. The weight of the object on the planet is Options:
  A) 48N
  B) 12N
  C) 27N
  D) 36N
  Show Answer
  The correct answer is C .
• Question 1175:

  During the transformation of matter from the solid to the liquid state, the heat supplied does not produce a temperature increase because

  Options:
  A) the heat energy is quickly conducted away
  B) the heat capacity has become very large as the substance melts
  C) the heat gained is equal to the heat lost by the substance
  D) all the heat is used to break the bonds holding the molecules of the solid together
  Show Answer
  The correct answer is D .
• Question 1176: The tendon in a man's leg is 0.01m long. If a force of 5N stretches the tendon by 2.0 x 10^-5m, calculate the strain on the muscle. Options:
  A) 5 x 10⁶
  B) 5 x 10²
  C) 2 x 10^-3
  D) 2 x 10^-7
  Show Answer
  The correct answer is C .
• Question 1177:

  Which of the following is/are not true about the heat capacity of a substance?

  (i) It is an intensive property
  (ii) Its S.I unit is $jK-1$
  (iii) It is an extensive property
  (iv) Its S.I unit is $jkg-1$

  Options:
  A) (i) and (iii) only
  B) (i), (ii) and (iv) only
  C) (i) and (iv) only
  D) (ii) and (iii) only
  Show Answer
  The correct answer is C .
• Question 1178:

  

  From the diagram above, the inductive reactance and the resistance R are respectively

  Options:
  A) 50Ω and 45Ω
  B) 25Ω and 51Ω
  C) 20Ω and 50Ω
  D) 10Ω and 49Ω
  Show Answer
  The correct answer is D .
• Question 1179:

  

  The total capacitance of the circuit above is

  Options:
  A) 0.25mF
  B) 0.50mF
  C) 0.75mF
  D) 1.25mF
  E) 1.50mF
  Show Answer
  The correct answer is E .
• Question 1180:

  Which of these is a derived unit?

  Options:
  A) Kilogram
  B) Metre
  C) Newton
  D) Second
  Show Answer
  The correct answer is C .