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 601: 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 .
• Question 602: An object placed 10cm from a concave mirror of focal length 5cm would have its image Options:
  A) at the centre of convature
  B) at the radius of curvature
  C) at infinity
  D) 10 cm from the focus
  Show Answer
  The correct answer is A .
• Question 603: Which of the following types of motion is/are exhibited by a cylindrical drum rolling down an incline plane? Options:
  A) Random and rotational
  B) Rotational and oscillatory
  C) Rotational only
  D) Translations only
  E) Translational and rotational
  Show Answer
  The correct answer is E .
• Question 604: Two resistors R₁ and R₂ are connected in parallel, R₂ being greater than R₁. The combined resistance is Options:
  A) less than R₁
  B) greater than R₂
  C) the sum of R₁ and R₂
  D) the difference of R₂ and R₁
  E) greater thanR₁ but less than R₂
  Show Answer
  The correct answer is C .
• Question 605: Two balls X and Y weighing 5 g and 50 kg respectively were throne up vertically at the same time with a velocity of 100 ms¹ .How will their positions be one second later? Options:
  A) X and Y will be 500 m from each other
  B) Y will be 500 m ahead of X
  C) X will be 500 m ahead of Y
  D) X and Y both be 500 m from the poin of throw
  Show Answer
  The correct answer is D .
• Question 606: A man clapping his hands at regular intervals observes that the echo of a clap coincides with the next clap. If the reflecting cliff is 160m away and the speed of sound is 320ms^-1, what is the frequency of the clapping? Options:
  A) 1 Hz
  B) 2Hz
  C) 4Hz
  D) 8Hz
  Show Answer
  The correct answer is A .
• Question 607: A bullet fired at a wooden block of thickness 0.15m manages to penetrate the block. If the mass of the bullet is 0.025kg and the average resisting force of the wood is 7.5 x 10³N, calculate the speed of the bullet just before it hits the wooden block. Options:
  A) 450ms^-1
  B) 400ms^-1
  C) 300ms^-1
  D) 250ms^-1
  Show Answer
  The correct answer is C .
• Question 608: A narrow, uniform glass tube, closed at one end, constains air which is sealed by a thread of mercury. The tube is placed first horizontally and then vertically with the open end at the top. Which of the following statements is correct? Options:
  A) The length of the entrapped air in the horizontal position is less than that in the vertical position
  B) The length of the entrapped air in the vertical position is less than that in the horizontal position
  C) The length of the mercury column becomes shorter in the horizontal position than in the vertical position
  D) The length of the mercury column becomes shorter in the vertical position than in the horizontal position
  E) The pressure of the entrapped air is atmospheric in both cases.
  Show Answer
  The correct answer is B .
• Question 609: Which of the following devices are used to measure pressure? i. Aneroid barometer. ii. hydrometer. iii. hygrometer. iv. manometer. Options:
  A) i and iii
  B) ii and iii
  C) iii and iv
  D) i and iv
  Show Answer
  The correct answer is D .
• Question 610: 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 .