Physics
A sound wave travelling in water has wavelength 0.4 m. Is this wave audible in air? (The speed of sound in water = 1400 ms-1).
Sound
ICSE 2020
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Answer
Given,
wavelength = 0.4 m
speed of sound in water = 1400 m s-1
As we know,
frequency of wave =
Substituting the values we get,
Hence, we get the frequency of wave = 3500 Hz and this lies in the audible range of frequency (i.e., 20 Hz to 20,000 Hz), hence it is audible.
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