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Monday, 04 May 2026
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Physics Past Questions and Answers

Jamb Physics Questions

Question 181:
A body falls freely under gravity (g = 9.8ms-2) from a height of 40m on to the top of a platform 0.8m above the ground. Its velocity on reaching the platform is
  • A 784ms<sup style='font-size: smaller;'>-1</sup>
  • B 80ms<sup style='font-size: smaller;'>-1</sup>
  • C 78.4ms<sup style='font-size: smaller;'>-1</sup>
  • D 39.2ms<sup style='font-size: smaller;'>-1</sup>
  • E 27.7ms<sup style='font-size: smaller;'>-1</sup>
View Answer & Explanation
Question 182:
Alternating current can induce voltage because it has a
  • A Ripple value
  • B Varying magnetic field
  • C Weaker magnetic field than direct current
  • D Stonger magnetic field than direct current
  • E High peak value
View Answer & Explanation
Question 183:
Two particles X and Y starting from rest cover the same distance. The acceleration of X is twice that of Y. the ratio of the time taken by X to that taken by Y is
  • A \(\frac{1}{2}\)
  • B \(\frac{1}{\sqrt2}\)
  • C \(\frac{1}{\sqrt2}\)
  • D \(\sqrt 2\)
  • E 4
View Answer & Explanation
Question 184:
a balloon inflated with helium gas at ground level is released. As it rises through a constant temperature atmosphere.
  • A Its pressuren reduces but volume remains constant
  • B Te product of pressure and volume remains constant
  • C Both pressure and volume increases
  • D Its pressure remains constant but the volume decreases
  • E Both pressure and volume remains constant
View Answer & Explanation
Question 185:
Change of state is accompanied by change of
  • A Temperature
  • B Volume
  • C Heat content
  • D Temperatureb and volume
  • E Volume and heat content
View Answer & Explanation