SATHEE: Wave Mechanics Question 855

Wave Mechanics Question 855

Question: 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 is 300 m/s. The frequency of sound recorded by an observer who is standing in air is

[IIT-JEE Screening 2004]

Options:

A) 200 Hz

B) 3000 Hz

C) 120 Hz

D) 600 Hz

Show Answer

Answer:

Correct Answer: D

Solution:

Frequency of sound does not change with medium, because it is characteristics of source.

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Wave Mechanics Question 855

Question: 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 is 300 m/s. The frequency of sound recorded by an observer who is standing in air is

Options:

Answer:

Solution:

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