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Thursday, 29 October 2026
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Physics Past Questions and Answers

Jamb 2004 Physics Questions

Question 21:
In the diagram above, the ratio of he electric power dissipated in the 6Ω and the 3Ω resistor respectively is
  • A 2:1
  • B 2:2
  • C 1:3
  • D 1:2
View Answer & Explanation
Question 22:
If the angle between two vector P and Q is Oo, the vectors are said to
  • A Intersect at the angle 45<sup style='font-size: smaller;'>o</sup>
  • B Intersect at the angle 60<sup style='font-size: smaller;'>o</sup>
  • C Be parallel
  • D Be perpendicular
View Answer & Explanation
Question 23:
A body of mass 4kg is acted on by a constant force of 12N for 3 seconds. The kinetic energy gained by the body at the end of the time is
  • A 144J
  • B 162J
  • C 81J
  • D 72J
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Question 24:
A machine whose efficiency is 60% has a velocity ratio of 5. If a force of 500N is applied to lift a load P, what is the magnitude of P?
  • A 1500N
  • B 500N
  • C 4166N
  • D 750N
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Question 25:
I. Jet propelled aircraft
II. Rocket propulsion
III. The recoil of a gun
IV. A person walking

Which of the above is based on Newton's third law of motion
  • A I and II only
  • B I, II, III, and IV only
  • C I and III only
  • D I, II and III only
View Answer & Explanation