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Wednesday, 19 August 2026
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Physics Past Questions and Answers

Topic: Structure of Matter and Kinetic Theory

Jamb Physics Questions - Structure of Matter and Kinetic Theory

Question 211:
A solid weighs 10.00N in air, 6N when forcefully immersed in water, and 7.0N when fully immersed in a liquid, X. Calculate the relative density of the liquid X.
  • A \(\frac{5}{3}\)
  • B \(\frac{4}{3}\)
  • C \(\frac{3}{4}\)
  • D \(\frac{7}{10}\)
View Answer & Explanation
Question 212:
When the temperature of a liquid increases, its surface tension
  • A Decreases
  • B Increases
  • C Remains constant
  • D Increases then decreases
View Answer & Explanation
Question 213:
A gas at a volume of V\(_{0}\) in a container at pressure p\(_{0}\) is compressed to one-fifth of its volume. What will be its pressure if the magnitude of its original temperature T is constant?
  • A \(\frac{p_{0}} {5}\)
  • B \(\frac{4p_{0}}{5}\)
  • C P\(_{0}\)
  • D 5P\(_{0}\)
View Answer & Explanation
Question 214:
A lead bullet of mass 0.05kg is fired with a velocity of 200ms\(^{-1}\) into a block of mass 0.95kg. Given that the lead block can move freely, the final kinetic energy after impact is?
  • A 50J
  • B 100J
  • C 150J
  • D 200J
View Answer & Explanation
Question 215:
If the fraction of the atoms of a radioactive material left after 120 years is 1/64, what is the half-life of the material?
  • A 24 years
  • B 20 years
  • C 10 years
  • D 2 years
View Answer & Explanation