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Monday, 17 August 2026
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Physics Past Questions and Answers

Topic: Characteristics/Properties

Jamb Physics Questions - Characteristics/Properties

Question 21:
A man hears his echo from a nearby hill 2s after he shouted. If the frequency of his voice is 260Hz and the wavelength is 1.29m, how far away is the hill?
  • A 330.0m
  • B 335.4m
  • C 660.0m
  • D 670.8m
View Answer & Explanation
Question 22:
A boy standing some distance from the foot of a tall cliff claps his hands and hears an echo 0.5s later. If the speed of sound is 340ms\(^{-1}\), how far is he from the cliff?
  • A 680m
  • B 170m
  • C 34m
  • D 85m
View Answer & Explanation
Question 23:
The pitch of a musical note is determined by the frequency of the sound wave that it produces. If two instruments have the same frequency, which of the following factors will most affect the difference in their pitches?
  • A The shape of the instrument
  • B The tension of the string
  • C The size of the instrument
  • D The material of the instrument
View Answer & Explanation
Question 24:
Light of wavelength 589 nm in vacuum passes through a piece of fused quartz of index of refraction n = 1.458. What is the frequency of the light in fused quartz?

[Speed of light c = \(3.00×10^8 ms^{-1}\)]
  • A \(5.09×10^{15}\)Hz
  • B \(5.09×10^{14}\) Hz
  • C \(1.77×10^{15}\) Hz
  • D \(1.77×10^{14}\) Hz
View Answer & Explanation