A source of sound of frequency 600 Hz is...

A source of sound of frequency 600 Hz is placed inside water. The speed of sound in water is `1500 m//s` and in air it is `300 m//s`. The frequency of sounds recorded by an observer who is standing in air is :-

A

200 Hz

B

3000 Hz

C

120 Hz

D

600 Hz

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The correct Answer is:

D

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