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 191:

  The slope of the straight line displacement-time graph indicates?

  Options:
  A) distance traveled
  B) uniform velocity
  C) uniform acceleration
  D) uniform speed
  Show Answer
  The correct answer is B .
• Question 192: A body moves along a circular path with uniform angular speed of 0.6 rad s^-1 and at a constant speed of 3.0ms^-1. Calculate the acceleration of the body towards the centre of the circle. Options:
  A) 25.0ms^-2
  B) 5.4 ms^-2
  C) 5.0ms^-2
  D) 1.8 ms^-2
  E) 0.2ms^-2
  Show Answer
  The correct answer is D .
• Question 193:

  A wire of radius 0.2 mm is extended by 0.5% of its length when supported by a load of 1.5 kg. Determine the Young's modulus for the material of the wire.

  [Take g = 10 ms${}^{-2}$]

  Options:
  A) $2.4\times {10}^{10}(N{m}^{-2})$
  B) $1.5\times {10}^{10}(N{m}^{-2})$
  C) $2.4\times {10}^9(N{m}^{-2})$
  D) $1.3\times {10}^{10}(N{m}^{-2})$
  Show Answer
  The correct answer is A .
• Question 194: The magnitude of the angle of dip at the equator is Options:
  A) 360^o
  B) 0^o
  C) 90^o
  D) 180^o
  Show Answer
  The correct answer is B .
• Question 195: A projectile fired with initial velocity, u will attain its maximum height H when the angle of projection θ is Options:
  A) 30°
  B) 45°
  C) 60°
  D) 75°
  E) 90°
  Show Answer
  The correct answer is E .
• Question 196: A man 1.5m tall is standing 3m in front of a pinhole camera whose distance between the hole and the screen is 0.1m. What is the height of the image of the man on the screen? Options:
  A) 0.05m
  B) 0.15m
  C) 0.30m
  D) 1.00m
  Show Answer
  The correct answer is A .
• Question 197: An astronaut is walking on the moon where the magnitude of the acceleration due to gravity "g’ is one-sixth that on earth. Compared with their magnitudes on the earth, his mass and weight on the moon are Options:
  A) both less
  B) less and the same respectively
  C) the same and less respectively
  D) the same as on earth
  E) both greater.
  Show Answer
  The correct answer is C .
• Question 198:

  The refractive index of a liquid is 1.5. If the velocity of light in vacuum is 3.0 x 10${}^{8}m{s}^{-1}$, the velocity of light in the liquid is

  Options:
  A) 1.5 x 10${}^{8}m{s}^{-1}$
  B) 2.0 x 10${}^{8}m{s}^{-1}$
  C) 3.0 x 10${}^{8}m{s}^{-1}$
  D) 4.5 x 10${}^{8}m{s}^{-1}$
  Show Answer
  The correct answer is B .
• Question 199: 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 200: The gravitational field intensity at a location X, in space, is two-fifths of its value on the earth’s surface. If the weight of an object at X is 4.80N. what is its weight on the earth? Options:
  A) 1.92N
  B) 2.88N
  C) 6.72N
  D) 8.00N
  E) 12.00N
  Show Answer
  The correct answer is E .