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Sunday, 21 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 16:
In a gas experiment, the pressure of the gas is plotted against the reciprocal of the volume of the gas at a constant temperature. the unit of the slope of the resulting curve is
  • A Force
  • B Force/m
  • C Work
  • D Force/m<sup style='font-size: smaller;'>3</sup>
  • E Energy/m<sup style='font-size: smaller;'>3</sup>
View Answer & Explanation
Question 17:
Which of the following is common to evaporation and boiling? They
  • A Take place at any temperature
  • B Are surface phenomena
  • C Involve change of state
  • D Take place at a definite pressure
View Answer & Explanation
Question 18:
A gas occupies a volume of 300cm3at a temperature of 27oC. What is its volume at 54oC, when the pressure is constant?
  • A 150cm<sup style='font-size: smaller;'>3</sup>
  • B 273cm<sup style='font-size: smaller;'>3</sup>
  • C 327cm<sup style='font-size: smaller;'>3</sup>
  • D 600cm<sup style='font-size: smaller;'>3</sup>
View Answer & Explanation
Question 19:
The product PV where P is pressure and V is volume has the same unit as
  • A Force
  • B Power
  • C Energy
  • D Accelaration
View Answer & Explanation
Question 20:
A mass of gas at 7oC and 70cm of mercury has a volume of 1200cm3. Determine its volume at 27oC and pressure of 75cm of mercury.
  • A 1200cm<sup style='font-size: smaller;'>3</sup>
  • B 1378cm<sup style='font-size: smaller;'>3</sup>
  • C 4320cm<sup style='font-size: smaller;'>3</sup>
  • D 4629cm<sup style='font-size: smaller;'>3</sup>
View Answer & Explanation