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 1441:

  A car moving at 20m/s with its horn blowing (f = 1200Hz) is chasing another car going at 15m/s. What is the apparent frequency of the horn as heard by the driver being chased?

  Options:
  A) 1.22KHz
  B) 2.40KHz
  C) 8.12KHz
  D) 1.22Hz
  Show Answer
  The correct answer is A .
• Question 1442: The thermometric property of a constant volume thermometer is? Options:
  A) change in volume
  B) differential expanssion
  C) change in pressure
  D) change in length
  Show Answer
  The correct answer is C .
• Question 1443: If the fraction of the atoms of a radioactive material left after 120years is 1/64, what is the half-life of the material? Options:
  A) 24 years
  B) 20 years
  C) 10 years
  D) 2 years
  Show Answer
  The correct answer is B .
• Question 1444: Two metals P and Q of length l₁ and l₂ are heated through the same temperature difference. If the ratio of the linear expansivities of P to Q is 2:3 and the ratio of lengths is 3:4. What is the ratio of increase in length of P to Q? Options:
  A) 7:5
  B) 5:7
  C) 1:2
  D) 2:1
  Show Answer
  The correct answer is C .
• Question 1445: What optical instrument can best be constructed with converging lenses of focal lengths 50cm and 5cm? Options:
  A) Compound microscope
  B) Galileo's telescope
  C) Terrestrial telescope
  D) Astronomical telescope
  Show Answer
  The correct answer is D .
• Question 1446: A ball is moving at 18ms^-1 in a direction inclined at 60^o to the horizontal. The horizontal component to its velocity is Options:
  A) 9√3ms^-1 ·
  B) 6√3ms^-1 ·
  C) 8√3ms^-1 ·
  D) 9ms^-1 ·
  Show Answer
  The correct answer is D .
• Question 1447: Electrons were discovered by Options:
  A) James Chadwick B.
  B) J.J Thompson
  C) Sir Isaac Newton
  D) Charles Newton
  Show Answer
  The correct answer is B .
• Question 1448:

  A train has an initial velocity of 44m/s and an acceleration of -4m/s${}^2$. Calculate its velocity after 10 seconds

  Options:
  A) 10m/s
  B) 6m/s
  C) 8m/s
  D) 4m/s
  Show Answer
  The correct answer is D .
• Question 1449: A vector quantity can only be completely described when ……… and …………are mentioned. Options:
  A) Magnitude and motion
  B) Magnitude and direction
  C) Distance and specified displacement
  D) Moment and momentum
  Show Answer
  The correct answer is B .
• Question 1450:

  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 .