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 2801: A particle in circular motion performs 30 oscillation in 6 seconds. Its angular velocity is Options:
  A) 5 rad s^-1
  B) 6 rad s^-1
  C) 5π rad s^-1
  D) 10π rad s^-1
  Show Answer
  The correct answer is D .
• Question 2802: When cold water is poured on a can containing hot water, the can collapses because the Options:
  A) steam condeses and occupies the partial vacuum in the can
  B) external air pressure counter balances the pressure within the can
  C) steam expands to occupy the vacuum remaining in the can
  D) external pressure becomes greater than the pressure within the can.
  Show Answer
  The correct answer is D .
• Question 2803: Which is a stringed Instrument? Options:
  A) drum
  B) flute
  C) piano
  D) saxophone
  E) trumpet
  Show Answer
  The correct answer is C .
• Question 2804:

  Two bodies have masses in the ratio3:1. They experience forces whichimpart to them,acceleration in the ratio 2:9 respectively. Find the ratio of forces the masses experienced

  Options:
  A) 1:4
  B) 2:1
  C) 2:3
  D) 2:5
  Show Answer
  The correct answer is C .
• Question 2805: A string of length 4m is extended by 0.02m when a load of 0.4kg is suspended at its end. What will be the length of the string when the applied force is 15N? Options:
  A) 4.05m
  B) 4.08m
  C) 5.05m
  D) 6.08m
  Show Answer
  The correct answer is B .
• Question 2806: the ratio of electrostatic force F_E to gravitational force F_G between two protons each of charge e and mass m, at a distance d is Options:
  A) e/4πԐoGm
  B) e²/Gm²
  C) Gm²/4πԐoe²
  D) e²/4πԐoeGm²
  Show Answer
  The correct answer is D .
• Question 2807: A person can focus objects when they lie beyond 75 cm from his eyes. The focal length of the lens required to reduce his least distance of distinct vision to 25 cm is? Options:
  A) 37.50 cm
  B) 75.00 cm
  C) 18.75
  D) 25.00 cm
  Show Answer
  The correct answer is A .
• Question 2808: Which of the following statements about the compound microscope and astronomical telescope is (are) correct? i. the final image of a compound microscope is located at infinity ii. the final image of the astronomical telescope is always erect iii. the objective lens of a compound microscope has a very short focal length Options:
  A) i only
  B) ii only
  C) iii only
  D) i and iii
  E) ii and iii
  Show Answer
  The correct answer is C .
• Question 2809:

  The bond between silicon and germanium is

  Options:
  A) covalent
  B) trivalent
  C) dative
  D) ionic
  Show Answer
  The correct answer is A .
• Question 2810: Calculate the time taken for a mango fruit that fall from the tree 20 m to the ground [g = 10 ms^-2] Options:
  A) 10s
  B) 5s
  C) 4s
  D) 2s
  Show Answer
  The correct answer is D .