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Sunday, 01 November 2026
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Physics Past Questions and Answers

Jamb 2013 Physics Questions

Question 6:
Calculate the apparent weight loss of a man weighing 70kg in an elevator moving downwards with an acceleration of 1.5ms-2.
[g = 10ms-2]
  • A 686N
  • B 595N
  • C 581N
  • D 105N
View Answer & Explanation
Question 7:
A piece of cork floats in a liquid. What fraction of its volume will be immersed in the liquid?
[Density of the cork = 0.25 x 103kgm-3, Density of the liquid = 1.25 x 103kgm-3]
  • A 0.8
  • B 0.5
  • C 0.2
  • D 0.1
View Answer & Explanation
Question 8:
An object is moving with a velocity of 5m-1. At what height must a similar body be situated to have a potential energy equal in value with kinetic energy of the moving body?
  • A 25.0m
  • B 20.0m
  • C 1.3m
  • D 1.0m
View Answer & Explanation
Question 9:
If a pump is capable of lifting 5000kg of water through a vertical height of 60m in 15 min, the power of the pump is
  • A 2.2.5 x 10 <sup style='font-size: smaller;'>5</sup>js<sup style='font-size: smaller;'>-1</sup>
  • B 2.5 x 10<sup style='font-size: smaller;'>4</sup>js<sup style='font-size: smaller;'>-1</sup>
  • C 3.3 x 10<sup style='font-size: smaller;'>3</sup>js<sup style='font-size: smaller;'>-1</sup>
  • D 3.3 x 10<sup style='font-size: smaller;'>2</sup>js<sup style='font-size: smaller;'>-1</sup>
View Answer & Explanation
Question 10:
The coefficient of friction between two perfectly smooth surface is
  • A Infinity
  • B One
  • C Half
  • D Zero
View Answer & Explanation