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 1501:

  A cannon is fired from town X, after how long is the sound heard at a town Y 4.95 km away?

  [velocity of sound in the air = 330 ms^-1]

  Options:
  A) 30 s
  B) 10 s
  C) 10 s
  D) 15 s
  Show Answer
  The correct answer is D .
• Question 1502: 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 1503: 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 1504: Which of the following characteristics of a wave is used in the measurement of the depth of the sea? Options:
  A) diffraction
  B) interference
  C) refraction
  D) reflection
  Show Answer
  The correct answer is D .
• Question 1505: When the temperature difference between the wet and dry bulbs of a hygrometer is high, this indicates that Options:
  A) it is about to rain
  B) the relative humidity is high
  C) there is plenty of sunshine
  D) the relative humidity is low
  Show Answer
  The correct answer is D .
• Question 1506: 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 1507:

  The amount of heat needed to raise the temperature of 10kg of Copper by 1K is its

  Options:
  A) specific heat capacity
  B) latent heat
  C) heat capacity
  D) internal energy
  Show Answer
  The correct answer is A .
• Question 1508:

  

  The diagram above shows the prism arrangement in a

  Options:
  A) binocular
  B) spectrometer
  C) periscope
  D) projector
  Show Answer
  The correct answer is C .
• Question 1509: 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 .
• Question 1510: The mass of a proton is approximately equal to that of Options:
  A) an $\alpha$-particle
  B) a $\beta$-particle
  C) $\gamma$-ray
  D) an electron
  E) a neutron
  Show Answer
  The correct answer is E .