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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 201:
According to kinetic molecular model, in gases
  • A The molecule are very fast apart & occupy all the space made available
  • B The particles vibrate about fixed positions and are held together by the strong intermolecular bond between them
  • C The particles occur in clusters with molecules slightly farther apart
  • D The particles are closely packed together, they occupy minimum space & are usually arranged in a regular pattern
View Answer & Explanation
Question 202:
During the transformation of matter from the solid to the liquid state, the heat supplied does not produce temperature increase because
  • A All the heat is used to break the bonds holding the molecules of the solid together
  • B The heat capacity has become very large as the substance melts
  • C The heat energy is quickly conducted away
  • D The heat gained is equal to the heat lost by the substance
View Answer & Explanation
Question 203:
When th temperature of a liquid is increased, its surface tension
  • A Increases
  • B Decreases
  • C Remain constant
  • D Increases then decreases
View Answer & Explanation
Question 204:
During the transformation of matter from the solid to the liquid state, the heat supplied does not produce a temperature increase because
  • A The heat energy is quickly conducted away
  • B The heat capacity has become very large as the substance melts
  • C The heat gained is equal to the heat lost by the substance
  • D All the heat is used to break the bonds holding the molecules of the solid together
View Answer & Explanation
Question 205:
In the molecular explanation of conduction, heat is transferred by the
  • A Free electrons
  • B Free atoms
  • C Free molecules
  • D Free solids
View Answer & Explanation