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Monday, 22 June 2026
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Physics Past Questions and Answers

Topic: using the theory to explain:

Jamb Physics Questions - using the theory to explain:

Question 61:
If the volume of a gas increases steadily as the temperature decreases at constant pressure, the gas obeys
  • A Graham's Law
  • B Boyle's Law
  • C Pressure law
  • D Charles Law
  • E No Correct Option
View Answer & Explanation
Question 62:
A lead bullet of mass 0.05kg is fired with a velocity of 200ms\(^{-1}\) into a lead block of mass 0.95kg. Given that the lead block can move freely, the final kinetic energy after impact is
  • A 50 J
  • B 100 J
  • C 150 J
  • D 200 J
View Answer & Explanation
Question 63:
A gas at a volume of V0 in a container at pressure P0 is compressed to one-fifth of its volume. What will be its pressure if the magnitude of its original temperature T is constant?
  • A P<sub style='font-size: smaller;'>0</sub>/5
  • B 4P<sub style='font-size: smaller;'>0</sub>/5
  • C P<sub style='font-size: smaller;'>0</sub>
  • D 5P<sub style='font-size: smaller;'>0</sub>
View Answer & Explanation
Question 64:
The pressure of a given mass of a gas changes from 200Nm-2 to 120Nm-2 while the temperature drops from 127°C to -73°C. The ratio of the final volume to the initial volume is
  • A 2 : 5
  • B 5 : 4
  • C 5 : 2
  • D 4 : 5
View Answer & Explanation
Question 65:
A gas with initial volume of 2 X 10-6m3 is allowed to expand to six times its initial value at constant pressure of 2 x 105Nm-2. The work done is
  • A 2.0J
  • B 4. 0 J
  • C 12.0 J
  • D 2.4 J
View Answer & Explanation