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Monday, 17 August 2026
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Physics Past Questions and Answers

Topic: Relationship between frequency, wavelength and wave velocity

Jamb Physics Questions - Relationship between frequency, wavelength and wave velocity

Question 6:
The relationship between L and the wavelength I of the stationary wave is
  • A 2L = \(\lambda\)
  • B L = \(\lambda\)
  • C L = \(\frac {\lambda}{3}\)
  • D 4L = 3 \(\lambda\)
View Answer & Explanation
Question 7:
The sound from a source travelled to the bottom of the sea and the echo was heard 4s later. If the speed of sound in sea water is 1500ms-1 the depth of the sea is
  • A 6000m
  • B 3000m
  • C 1500m
  • D 375m
View Answer & Explanation
Question 8:
The velocity of a sound wave at 27oC is 360ms-1. Its velocity at 127oC is
  • A 120√3 ms<sup style='font-size: smaller;'>-1</sup>
  • B 240 ms<sup style='font-size: smaller;'>-1</sup>
  • C 240√3 ms<sup style='font-size: smaller;'>-1</sup>
  • D 720√3 ms<sup style='font-size: smaller;'>-1</sup>
View Answer & Explanation
Question 9:
If a sound wave goes from a cold air region to a hot air region, its wavelength will
  • A Increase
  • B Decrease
  • C Decrease then increase
  • D Remain constant
View Answer & Explanation
Question 10:
The fundamental property of a propagating wave which depends only on the source and not the medium of propagation is the?
  • A Wavelength
  • B Harmonies
  • C Frequency
  • D Velocity
View Answer & Explanation