A source of sound of frequency 600Hz is placed inside water.The speed

1.	A source of sound of frequency 600Hz is placed inside water.The speed of soundin water is 1500m/s and in air it is300m/s.The frequency of sound recorded by anobserver who is standing in air is(a)200Hz (b)3000Hz (c)120Hz (d)600Hz.
Answer» Answer: Frequency of SOUND waves DEPENDS on source of sound, not on the MEDIUM of propagation. So, the frequency of sound waves remains the same in air as WELL as WATER i.e. 600 Hz. Option D is correct. Explanation:

A source of sound of frequency 600Hz is placed inside water.The speed of soundin water is 1500m/s and in air it is300m/s.The frequency of sound recorded by anobserver who is standing in air is(a)200Hz (b)3000Hz (c)120Hz (d)600Hz.

Answer»

Answer:

Frequency of SOUND waves DEPENDS on source of sound, not on the MEDIUM of propagation. So, the frequency of sound waves remains the same in air as WELL as WATER i.e. 600 Hz.

Option D is correct.

Explanation:

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A source of sound of frequency 600Hz is placed inside water.The speed of soundin water is 1500m/s and in air it is300m/s.The frequency of sound recorded by anobserver who is standing in air is(a)200Hz (b)3000Hz (c)120Hz (d)600Hz.​

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A source of sound of frequency 600Hz is placed inside water.The speed of soundin water is 1500m/s and in air it is300m/s.The frequency of sound recorded by anobserver who is standing in air is(a)200Hz (b)3000Hz (c)120Hz (d)600Hz.