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Monday, 26 October 2026
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Physics Past Questions and Answers

Jamb 2002 Physics Questions

Question 21:
blowing air over a liquid aids evaporation by
  • A Increasing its surface area
  • B Decreasing its vapour pressure
  • C Increasing its temperature
  • D Decreasing its density
View Answer & Explanation
Question 22:
The phenomenon that makes sound persist when its source has been removed is known as
  • A Acoustic vibration
  • B Rarefaction
  • C Echo
  • D Reverberation
View Answer & Explanation
Question 23:
the pressure of 3 moles of an ideal gas at a temperature of 27°C having a volume of 10-3m3 is
  • A 2.49 x 10<sup style='font-size: smaller;'>5</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • B 7.47 x 10<sup style='font-size: smaller;'>5</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • C 2.49 x 10<sup style='font-size: smaller;'>6</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • D 7.47 x 10<sup style='font-size: smaller;'>6</sup>Nm<sup style='font-size: smaller;'>-2</sup>
View Answer & Explanation
Question 24:
Vibration in a stretched spring cannot be polarized because they are
  • A Stationary waves
  • B Transverse waves
  • C Longitudinal waves
  • D Mechanical waves
View Answer & Explanation
Question 25:
The diagram above show s the force-extension curve of a piece of wire. The energy stored when the wire is stretched from E to F is
  • A 7.5 x 10<sup style='font-size: smaller;'>-3</sup>J
  • B 2.5 x 10<sup style='font-size: smaller;'>-3</sup>J
  • C 1.5 x 10<sup style='font-size: smaller;'>-2</sup>J
  • D 7.5 x 10<sup style='font-size: smaller;'>-1</sup>J
View Answer & Explanation