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Tuesday, 18 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 56:
The pressure of a gas when cooled at constant volume will decrease because the molecules
  • A Collide less frequently with the walls of the container
  • B Have the same average kinetic energy
  • C Break up into smaller molecules
  • D Decrease in number
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Question 57:
In which of the following is surface tension important?
  • A The floating of a ship in water
  • B The floating of a dry needle in water
  • C The floating of a baloon in air
  • D The diffusion of sugar solution across a membrane
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Question 58:
The absolute temperature of a perfect gas is proportional to the average
  • A Potential energy of the molecules
  • B Seperation between the molecules
  • C Kinetic energy of the molecules
  • D Velocity of the molecules
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Question 59:
which of the following statements are TRUE of isotopes? i. isotopes of an element have the same chemical properties because they have the same number of electrons. ii. isotopes of elements are normally separated using physical properties. iii. isotopes of an element have the same number of protons in their nuclei.
  • A I and ii only
  • B I and iii only
  • C Ii and iii only
  • D I, ii, and iii
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Question 60:
When an atom loses or gains a charge, it becomes
  • A An electron
  • B An ion
  • C A neutron
  • D A proton
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