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:

  

  The diagram above shows a lift pump with valves at P and Q. During a downward stroke of the piston

  Options:
  A) both valves are open
  B) P is open while Q is closed
  C) P is closed while Q is open
  D) Both valves are closed
  Show Answer
  The correct answer is B .
• Question 2: A metre rule is pivoted at its mid-point with a vertical force of 10N hanging from the distance 30cm from the mid-point. At what distance must a 15N force hang to balance the ruler horizontally? Options:
  A) 30cm
  B) 10cm
  C) 20cm
  D) 25m
  Show Answer
  The correct answer is C .
• Question 3: An object of mass 50kg is released from a height of 2m.Find the kinetic energy just before it strikes the ground Options:
  A) 250J
  B) 1000J
  C) 10 000J
  D) 100 000J
  Show Answer
  The correct answer is B .
• Question 4:

  

  In the circuit above, three resistors, 2Ω, 4Ω and 12Ω are connected in parallel and a 12V battery is connected across the combination. The current flowing through the 12Ω resistors is

  Options:
  A) 14.4 A
  B) 1.0 A
  C) 3.2 A
  D) 9.6 A
  Show Answer
  The correct answer is B .
• Question 5: Which of the following is obtained when a magenta is mixed with green colour? Options:
  A) Yellow
  B) Blue
  C) White
  D) Red
  Show Answer
  The correct answer is C .
• Question 6:

  Calculate the temperature of 6 moles of an ideal gas at a pressure of 7.6 x 10⁶Nm^-2 with a volume of 10^-3m³.

  [R = 8.3jmol^-1K^-1]

  Options:
  A) 201^oC
  B) 126^oC
  C) 153^oC
  D) 185^oC
  Show Answer
  The correct answer is C .
• Question 7: Dewpoint is the temperature at which, water vapour in the atmosphere Options:
  A) turns into steam
  B) solidifies into ice pellets
  C) first condenses into liquid form
  D) is just sufficient to cause cooling
  E) has a relative humidity of fifty percent
  Show Answer
  The correct answer is D .
• Question 8: An object is placed 30cm from a concave mirror of focal length 15cm. the linear magnification of the image produced is Options:
  A) o
  B) $\frac{2}{3}$
  C) 1
  D) 2
  E) 3
  Show Answer
  The correct answer is C .
• Question 9:

  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 10: Two liquids X and Y having the same mass are supplied with the same quantity of heat. If the temperature rise in X is twice that of Y, the ratio of specific heat capacity of X to that of Y is Options:
  A) 2:1
  B) 1:2
  C) 4:1
  D) 1:4
  Show Answer
  The correct answer is A .