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 2471:

  In a thermonuclear reaction, the total initial mass is 5.02 x 10^-27kg and the total final mass is 0.01 x 10^-27kg. The energy released in the process is

  [c = 3.0 x 10⁸ms^-1]

  Options:
  A) 9.0 x 10^-13J
  B) 9.0 x 10^-12J
  C) 9.0 x 10^-11J
  D) 9.0 x 10^-10J
  Show Answer
  The correct answer is A .
• Question 2472:

  The change in volume when 450kg of ice is completely melted is

  [density of ice = 900 kgm^-3, density of water = 100 kgm^-3]

  Options:
  A) 0.50m³
  B) 0.45m³
  C) 0.05m³
  D) 4.50m³
  Show Answer
  The correct answer is C .
• Question 2473:

  

  The acceleration of the system show above is

  Options:
  A) 2ms^-2
  B) 4ms^-2
  C) 6ms^-2
  D) 8ms^-2
  Show Answer
  The correct answer is B .