A source emits sound of frequency 600 Hz inside water
The frequency heard in air will be (velocity of sound in
water = 1500 ms-1, velocity of sound in air = 300ms)
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Explanation:
- velocity is directly proportional to frequency.
- velocity in water is directly proportional to frequency given.
- hence, 1500 is proportional to 600.so for 300m/s 120 is the frequency.
- but velocity in air is proportional to frequency.
- hence,300is proportional to 120.
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