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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 181:
A string of length 5cm is extended by 0.04m when a load of 0.8kg is suspended at the end. How far will it extend if a force of 16N is applied? [g = 10ms\(^{-2}\)]
  • A 0.04m
  • B 0.12m
  • C 0.01m
  • D 0.08m
View Answer & Explanation
Question 182:
A constant force of 5N acts for a 5 seconds on a mass of 5kg initially at rest. Calculate the final momentum
  • A 125kgms−1
  • B 25kgms−1
  • C 15kgms−1
  • D 0kgms−1
View Answer & Explanation
Question 183:
The action of blotting paper on ink is due to
  • A Diffusion
  • B Osmosis
  • C Capillarity
  • D Surface tension
View Answer & Explanation
Question 184:
The volume of a fixed mass of gas is 10cm3 when its pressure is 400cmHg. Determine the volume of the gas when its pressure is 200cmHg.
  • A 30cm<sup style='font-size: smaller;'>3</sup>
  • B 40cm<sup style='font-size: smaller;'>3</sup>
  • C 50cm<sup style='font-size: smaller;'>3</sup>
  • D 20cm<sup style='font-size: smaller;'>3</sup>
View Answer & Explanation
Question 185:
Which of the following representations is correct for an atom X with 28 electrons and 30 neutrons?
  • A \(^{58}_{28}X\)
  • B \(^{30}_{28}X\)
  • C \(^{28}_{30}X\)
  • D \(^{58}_{30}X\)
View Answer & Explanation