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:

  

  Two mirrors of the same length are arranged as shown above, a ray of light NO strikes the system at O and emerges along PQ. The emergent ray has been deviated through

  Options:
  A) 220 degrees
  B) 200 degrees
  C) 210 degrees
  D) 180 degrees
  E) 230 degrees
  Show Answer
  The correct answer is D .
• Question 2:

  

  Calculate the e.m.f of the cell in the above circuit if its internal resistance is negligible.

  Options:
  A) 12 V
  B) 8 V
  C) 2 V
  D) 36 V
  Show Answer
  The correct answer is B .
• Question 3: The frequency of beats produced when two tunning forks of frequencies 258Hz and 270Hz are sounded close to each other Options:
  A) 6Hz
  B) 264Hz
  C) 528Hz
  D) 12Hz
  Show Answer
  The correct answer is D .
• Question 4: Which of the following conditions will make water boil at a temperature of 100^oC when the atmospheric pressure is 750mmHg? Options:
  A) increase the external pressure
  B) reduce the external pressure
  C) heat more rapidly at the same pressure
  D) reduce the external pressure by a quarter
  Show Answer
  The correct answer is A .
• Question 5: A charge 50 µc has electric field strength of 360 NC^-1 at a certain point. The electric field strength due to another charge 120 µc kept at the same distance apart and in the same medium is? Options:
  A) 864 NC^-1
  B) 150 NC^-1
  C) 144 NC^-1
  D) 18 NC^-1
  Show Answer
  The correct answer is B .
• Question 6:

  Which of the following statements about defects of vision is/are CORRECT?

  I. Fora long sighted person, close objects appear blurred

  II. For a short sighted person, distant objects appear blurred

  III. Short sight is corrected by using a pair of converging lenses

  Options:
  A) I only
  B) II only
  C) I and II only
  D) II and III only
  Show Answer
  The correct answer is C .
• Question 7:

  When a yellow card is observed through blue glass, the card would appear

  Options:
  A) black
  B) green
  C) red
  D) white
  Show Answer
  The correct answer is A .
• Question 8: The length of mercury thread when it is at 0^oC, 100^oC and at an unknown temperature $\theta$ is 25mm, 225mm and 175mm respectively. The value of $\theta$ is Options:
  A) 85.0^oC
  B) 80.0^oC
  C) 75.0^oC
  D) 70.0^oC
  Show Answer
  The correct answer is C .
• Question 9: An electric iron rated 250 V has a coil of resistance 125Ω. What is the cost of using it for I hour at 10k per kWh? Options:
  A) 1.25k
  B) 2.50k
  C) 5.00k
  D) 10.00k
  E) 20.00k
  Show Answer
  The correct answer is C .
• Question 10: An object is placed at 5.6 x 10^-4m in front of a converging lens of focal length 1.0 x 10^-nm. The image formed is Options:
  A) Real, Erect and magnified
  B) Virtual, erect and magnified
  C) Real, inverted and magnified
  D) Virtual, erect and diminished
  Show Answer
  The correct answer is C .