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Thursday, 21 May 2026
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Physics Past Questions and Answers

Jamb 1998 Physics Questions

Question 6:
In free fall, a body of mass 1kg drops from a height of 125m from rest in 5s. How long will it take another body of mass 2kg to fall from rest from the same height? [g = 10ms-1·]
  • A 5s
  • B 10s
  • C 12s
  • D 15s
View Answer & Explanation
Question 7:
A ball of mass 0.15kg is kicked against a rigid vertical wall with a horizontal velocity of 50ms-1. If it rebounced with a horizontal velocity of 30ms-1, Calculate the impulse of the ball on the ball · ·
  • A 3.0Ns
  • B 4.5Ns
  • C 7.5Ns
  • D 12.0Ns
View Answer & Explanation
Question 8:
The force of attraction between two point masses is 10-4N when the distance between them is 0.18m. If the distance is reduced to 0.06m, calculate the force.
  • A 1.1 x 10<sup style='font-size: smaller;'>-5</sup>N
  • B 3.3 x 10<sup style='font-size: smaller;'>-5</sup>N
  • C 3.0 x 10<sup style='font-size: smaller;'>-4</sup>N
  • D 9.0 x 10<sup style='font-size: smaller;'>-4</sup>N
View Answer & Explanation
Question 9:
A uniform meter rule weighing 0.5N is to be pivoted on a knife-edge at the 30cm-mark. where will a force of 2N be placed from the pivot to balance the meter rule?
  • A 95cm
  • B 25cm
  • C 20cm
  • D 5cm
View Answer & Explanation
Question 10:
A man whose mass is 80kg climbs a staircase in 20s and expends power of 120W. Find the height of the staircase.[g = 10ms-2]
  • A 1.8m
  • B 2.0m
  • C 2.5m
  • D 3.0m
View Answer & Explanation