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Sunday, 16 August 2026
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Physics Past Questions and Answers

Topic: Charles' law

Jamb Physics Questions - Charles' law

Question 11:
A carpenter on top of a roof of 20.0m high dropped a hammer of mass 1.5 kg and it fell directly to the ground. the kinetic energy of the hammer just before hitting the ground is?[g = 10 ms-2]
  • A 600 J
  • B 150J
  • C 300 J
  • D 450 J
View Answer & Explanation
Question 12:
A lead bullet of mass 0.05kg is fired with a velocity of 200ms\(^{-1}\) into a lead block of mass 0.95kg. Given that the lead block can move freely, the final kinetic energy after impact is
  • A 50 J
  • B 100 J
  • C 150 J
  • D 200 J
View Answer & Explanation
Question 13:
The equation PaVbTc= constant reduces to Charles Law if
  • A A=1, b=1and c=0
  • B A=1, b=0 and c=-1
  • C A=0, b=1 and c=1
  • D A=0, b=1 and c=-1
View Answer & Explanation
Question 14:
Momentum and Kinetic energy are conserved in
  • A Inelastic collision
  • B Elastic collision
  • C Explosion
  • D Spacecraft
View Answer & Explanation
Question 15:
A lead bullet of mass 0.05 kg is fired with a velocity of 200 m/s into a lead block of mass 0.95 kg. Given that the lead block can move freely, the final kinetic energy after impact is
  • A 100J
  • B 150J
  • C 50J
  • D 200J
View Answer & Explanation