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Monday, 20 April 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 1:
A gas at pressure PNm\(^{-2}\) and temperature 27°C is heated to 77°C at constant volume. The new pressure is
  • A 0.85 PN-m<sup style='font-size: smaller;'>-2</sup>
  • B 0.86 PN-m<sup style='font-size: smaller;'>-2</sup>
  • C 1.16 PN-m<sup style='font-size: smaller;'>-2</sup>
  • D 1.18 PN-m<sup style='font-size: smaller;'>-2</sup>
  • E 2.85 PN-m<sup style='font-size: smaller;'>-2</sup>
View Answer & Explanation
Question 2:
If a given mass at constant pressure obeys the relation...volume is proportional to the absolute temperature...the gas is said to obey
  • A Hooke's Law
  • B Boyle's Law
  • C Dalton's Law
  • D Charles' Law
  • E Newton's Law
View Answer & Explanation
Question 3:
An air bubble rises from the bottom to the top of a water dam which is 40m deep. The volume of the bubble just below the surface is 2.5cm3. Find its volume at the bottom of the dam, if atmospheric pressure is equivalent to 10m water
  • A 0.0cm<sup style='font-size: smaller;'>3</sup>
  • B 2.0cm<sup style='font-size: smaller;'>3</sup>
  • C 1.6cm<sup style='font-size: smaller;'>3</sup>
  • D 0.625cm<sup style='font-size: smaller;'>3</sup>
  • E 0.5cm<sup style='font-size: smaller;'>3</sup>
View Answer & Explanation
Question 4:
In the study of physics, temperature and heat are often confused with each other. Which of the following statements correctly defines these two element?
  • A Temperature is a measure of the average kinetic energy of the molecules of a substance
  • B Heat is a measure of the total kinetic energy of the molecules in a system
  • C Different materials require different amounts of heat to cause a given change in temperature
  • D All of the above
  • E A and B only
View Answer & Explanation
Question 5:
A quantity of sungas at -133[/sup] occupies 1/3m[sup]3 under pressure 1.4 x 105 Nm-2. if the gas occupies 31 m-2 at 37oC, its pressure will be
  • A 1.26 x 10<sup style='font-size: smaller;'>3</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • B 3.3 x10<sup style='font-size: smaller;'>4</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • C 1.35 x 10<sup style='font-size: smaller;'>4</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • D 2.2 x 10<sup style='font-size: smaller;'>4</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • E 10<sup style='font-size: smaller;'>5</sup>Nm<sup style='font-size: smaller;'>-2</sup>
View Answer & Explanation