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Tuesday, 03 November 2026
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Physics Past Questions and Answers

Jamb 2013 Physics Questions

Question 21:
What will happen to the boiling point of pure water when it is heated in a place 30m below sea level?
  • A It will be more than 100 <sup style='font-size: smaller;'>o</sup>C
  • B It will be last than 100 <sup style='font-size: smaller;'>o</sup>C
  • C It will still be at 100 <sup style='font-size: smaller;'>o</sup>C
  • D It will be fluctuating
View Answer & Explanation
Question 22:
The rise or fall of a liquid in a narrow tube is because of the
  • A Viscosity of the liquid
  • B Surface tension of the liquid
  • C Friction between the walls of the tube and the liquid
  • D Osmotic pressure of the liquid
View Answer & Explanation
Question 23:
The mechanism of heat transfer from one point to another through the vibration of the molecules of the medium is
  • A Covection
  • B Conduction
  • C Radiation
  • D Diffusion
View Answer & Explanation
Question 24:
A wave that travels through stretched strings is known as
  • A Electromagnetic wave
  • B Micro wave
  • C Mechanical wave
  • D Seismic wave
View Answer & Explanation
Question 25:
A transverse wave and a longitudinal wave travelling in the same direction in a medium differ essentially in their
  • A Frequency
  • B Amplitude
  • C Direction of vibration of the particles of the medium
  • D Period of vibration of the particles of the medium
View Answer & Explanation