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 51:

  

  In the figure above, the work done by the force of 100N inclined at an angle of 60^o to the object dragged horizontally to a distance of 8m is

  Options:
  A) 800J
  B) 600J
  C) 100J
  D) 400J
  Show Answer
  The correct answer is D .
• Question 52:

  When two objects A and B are supplied with the same quantity of heat, the temperature change in A is obtained to be twice that of B. The mass of P is half that of Q. The ratio of the specific heat capacity of A to B is

  Options:
  A) 1 : 4
  B) 4 : 1
  C) 1 : 1
  D) 2 : 1
  Show Answer
  The correct answer is C .
• Question 53:

  A quantity of ice at -10°C is heated until the temperature of the heating vessel is 90°C. Which of the following constants is NOT required to determine the quantity of heat supplied to the vessel?

  Options:
  A) Specific latent heat of vaporization
  B) Specific heat capacity of ice
  C) Specific latent heat of fusion
  D) Specific heat capacity of water
  Show Answer
  The correct answer is A .
• Question 54: Gamma rays are produced when Options:
  A) high velocity electrons are abruptly stopped in metals
  B) energy changes occur within the nucleus of atoms
  C) energy changes occur within the electronic structure of atoms
  D) electrons are deflected in very strong magnetic fields
  Show Answer
  The correct answer is B .
• Question 55: A particle of mass M which is at rest splits up into two. If the mass and velocity of one of the particles are m and v respectively, calculate the velocity of the second particle Options:
  A) $\frac{mv}{M}$
  B) $\frac{Mv}{M-m}$
  C) $\frac{mv}{M+m}$
  D) $\frac{mv}{M-m}$
  Show Answer
  The correct answer is D .
• Question 56:

  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 57:

  A solid weighs10.00N in air,6N when forcefully immersed in water, and 7.0N when fully immersed in a liquid, X. Calculate the relative density of the liquid X.

  Options:
  A) $\frac{5}{3}$
  B) $\frac{4}{3}$
  C) $\frac{3}{4}$
  D) $\frac{7}{10}$
  Show Answer
  The correct answer is C .
• Question 58:

  I. They should be identical

  II. They should originate from the same source.

  III. They should be coherent.

  IV. They should be monochromatic.

  From the statements above, the conditions for two waves to interfere are?

  Options:
  A) I,II and III only
  B) I, III and IV only
  C) II, III and IV only
  D) I, II, III and IV
  Show Answer
  The correct answer is B .
• Question 59: The pressure on the gas of constant gas thermometer at the ice point is 325mm of mercury and at the steam point is 875mm of mercury. Find the temperature when the pressure of the gas is 190mm of mercury Options:
  A) 30k
  B) 243k
  C) 300k
  D) 3003k
  Show Answer
  The correct answer is B .
• Question 60:

  

  In the diagram shown, which of the simple pendulum will resonate with P when set into oscillation?

  Options:
  A) U
  B) T
  C) R and T
  D) Q and R
  Show Answer
  The correct answer is B .