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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
The frequency of sound waves in water is:
  • ✓
    Same as that of frequency of source.
  • B
    Less than frequency of source.
  • C
    More than frequency of source.
  • D
    Can't say.
✓

Answer

Correct option: A.
Same as that of frequency of source.
Frequency of a wave is characterised by the source of the wave, which produces disturbance, therefore it doesn't change. When medium is changed. So frequency will not change in water and will be same as the frequency of source.

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