When a sound wave passes from air into water, do you expect the frequency or wavelength to change?
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When the waves changes the medium. The speed of the waves change. But frequency stays the same because freqaunsy can be chaged only from the source.
; the speed of the wave
; the wavelength of the wave
; the frequency of the wave
So the sound waves are faster in the water than in the air.
If the sound waves pass from air in to water, the speed increases.
According the do relation;
If speed increases, wavelength increases because frequency stays constant.