Question

The frequency of a source is 20KHz. The frequencies of soud waveproduced by it on water and air will

Answer 1

Answer:

frequency doesn't chage

Explanation:

it is given that speed or velocity of a wave as v = df

where d is wavelength and f is frequency of the wave.

frequency doesn't change with medium, instead wavelength changes with change in speed or velocity when the medium changes.

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