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 1221: The physical quantity that has the same dimensions as impulse is Options:
  A) energy
  B) momentum
  C) surface tension
  D) pressure
  Show Answer
  The correct answer is B .
• Question 1222: A concave mirror has a radius of curvature of 36cm. At what distance from the mirror should an object be placed to give a real image three times the size of the object? Options:
  A) 12cm
  B) 24cm
  C) 48cm
  D) 108cm
  Show Answer
  The correct answer is B .
• Question 1223:

  

  The figure above represents a frictionless pulley system in which a weight W is in equilibrium with a weight of 40N. Find the value of W.

  Options:
  A) 13.3N
  B) 20.0N
  C) 40.0N
  D) 80.0N
  Show Answer
  The correct answer is C .
• Question 1224:

  Which of the following best describes the energy changes which take place when a steam engine drives a generator which lights a lamp?

  Options:
  A) heat ----> Light----> Sound ----> Kinetic
  B) Kinetic ----> Light ----> Heat ----> Electricity
  C) heat ----> Kinetic ----> Electricity ----> Heat and Light
  D) electricity ----> Kinetic ----> Heat ----> Light
  Show Answer
  The correct answer is C .
• Question 1225:

  

  The value of T in the figure above is

  Options:
  A) 10.0N
  B) 11.8N
  C) 20.0N
  D) 40.0N
  Show Answer
  The correct answer is C .
• Question 1226:

  I. Use a liquid with a high melting point.

  II. use a liquid of high volume expansivity.

  III. use a capillary tube of large diameter. which of the above best describes how the sensitivity of a liquid-in-glass thermometer can be enhanced?

  Options:
  A) I only
  B) II. only
  C) I and II only
  D) II and III only
  Show Answer
  The correct answer is B .
• Question 1227: Total internal reflection occurs when light moves from Options:
  A) a dense medium to a less dense medium
  B) air to water
  C) water to glass
  D) a less dense to a dense medium
  Show Answer
  The correct answer is A .
• Question 1228: Which one of the following is a vector quantity? Options:
  A) Temperature gradient
  B) Mass
  C) Work
  D) Time
  Show Answer
  The correct answer is A .
• Question 1229:

  A mixture of blue and red pigment when illuminated by white light will appear

  Options:
  A) green
  B) orange
  C) purple
  D) magenta
  Show Answer
  The correct answer is C .
• Question 1230:

  A man walks 8km north and then 5km in a direction 60^o east of north. Find the distance from his starting point

  Options:
  A) 11.36km
  B) 12.36km
  C) 13.00km
  D) 14.36km
  Show Answer
  The correct answer is A .