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 1241: Which of the following statements is true of nuclear fission? Options:
  A) Heavy nuclei combine to form new element
  B) Protons are used in bombarding heavy nucleus
  C) The sum of the masses of the products is greater than the mass of the original substance
  D) Two light nuclei are made to combine to form a heavy nucleus
  E) Very large amount of energy is released.
  Show Answer
  The correct answer is E .
• Question 1242: A transistor function mainly as a Options:
  A) switch and amplifier
  B) rectifier and an amplifier
  C) charge storer and an amplifier
  D) charge storer and a switch
  Show Answer
  The correct answer is A .
• Question 1243: Calculate the magnitude of the force due to a magnetic field of 0.40T on an electron moving perpendicular to the field with a speed of 4.00 × 106ms^-1 (e 1.60 × 10^-19C] Options:
  A) 6.40 × ^-10
  B) 6.40× 10^-13N
  C) 2.56 × 10^-13N
  D) 1.60 × 10^-12N
  E) 2.30 × 10^-11N
  Show Answer
  The correct answer is C .
• Question 1244: Two bodies have masses in the ratio 3:1. They experience forces which impart 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 1245: The particle and wave nature of matter are demonstrated in the equation Options:
  A) λ = ^hc/_E
  B) λ = ^h/_P
  C) λ = ^c/_f
  D) λ = 2 d sin θ
  Show Answer
  The correct answer is B .
• Question 1246:

  Which process is responsible for production of energy in stars?

  Options:
  A) Nuclear reaction
  B) Nuclear fission
  C) Nuclear fusion
  D) Radioactive decay
  Show Answer
  The correct answer is C .
• Question 1247: The energy stored in a capacitor of capacitance 10μF carrying a charge of 100μC Options:
  A) 5 x 10⁴ J
  B) 4 x 10² J
  C) 4 x 10^-3 J
  D) 5 x 10^-4 J
  Show Answer
  The correct answer is D .
• Question 1248: A household refrigerator is rated 200 watts. If electricity costs 5k per kWh, what is the cost of operating it in 20 days? Options:
  A) N4.80
  B) N48.00
  C) N480.00
  D) N4800.00
  Show Answer
  The correct answer is C .
• Question 1249: A stone of mass 1kg is dropped from a height of 10m above the ground and falls freely under gravity. Its kinetic energy 5m above the ground is then equal to Options:
  A) its kinetic energy on the ground
  B) twice its initial potential energy
  C) its initial potential energy
  D) half its initial potential energy
  Show Answer
  The correct answer is D .
• Question 1250: Three 3ω resistance are connected in parallel what is the equivalent resistance? Options:
  A) 1ω
  B) 9ω
  C) 3ω
  D) 0.33ω
  Show Answer
  The correct answer is A .