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 201:

  

  What is the resultant capacity of the circuit

  Options:
  A) 1.5µF
  B) 18.0µF
  C) 6.0µF
  D) 6.8µF
  E) 8.83µF
  Show Answer
  The correct answer is A .
• Question 202:

  A 500W heater is used to heat 0.6kg of water from 25^oC to 100^oC in t₂ seconds. If another 1000W heater is used to heat 0.2kg of water from 10^oC to 100^oC in t, seconds, find $\frac{t_1}{t_2}$

  Options:
  A) 50
  B) 5
  C) 5/4
  D) 1/5
  Show Answer
  The correct answer is D .
• Question 203: Which of the following statements are true about the spring balance and the chemical balance? i. both are used to measure the mass of an object. ii. either of them may be used to measure the weight of an object. iii. the spring balance works on the principle of Hooke's law while the chemical balance works on the principle of moments. iv. a change in gravity does the readings of a spring balance but not that of a chemical balance. Options:
  A) i, and iv
  B) ii and iii
  C) ii and iv
  D) i, ii and iii
  E) i and iii
  Show Answer
  The correct answer is C .
• Question 204:

  If a body moves with a constant speed and at the same time undergoes an acceleration, its motion is said to be

  Options:
  A) circular
  B) oscillatory
  C) rectilinear
  D) rotational
  Show Answer
  The correct answer is A .
• Question 205:

  

  Three 2-µF capacitors are arranged as seen in the circuit above . The effective capacitance between E and F is

  Options:
  A) 0.75µF
  B) 1.33µF
  C) 3.00µF
  D) 6.00µF
  Show Answer
  The correct answer is B .
• Question 206:

  

  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 207: What is the effect of the increase in the size of the hole of a pin-hole camera on the image? it Options:
  A) gives a blurred image
  B) corrects for chromatic aberration
  C) magnifies the image
  D) brings the image into a sharper focus
  Show Answer
  The correct answer is A .
• Question 208: The vibration of an air column produces the sound in the Options:
  A) piano
  B) guiter
  C) flute
  D) school handbell
  Show Answer
  The correct answer is C .
• Question 209:

  

  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 210: A rocket burns fuel at the rate of 10kgs^-1 and ejects it with velocity of 5 x 10³ms^-1. The thrust exerted by the gas on the rock is Options:
  A) 2.5 x 10⁷N
  B) 5.0 x 10⁴N
  C) 5.0 x 10²N
  D) 2.0 x 10^-3N
  Show Answer
  The correct answer is B .