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Two sounding bodies producing prograssiv...

Two sounding bodies producing prograssive waves given by ` y_1 =4 sin (400 pit ) and y_2 3sin ( 404 pit ) `,are situated very near to the ears of a person.He will hear (Here intensity ratio is between maxima and minima )

A

2 beats per second with intensity ratio 49/1

B

4 beats per second with intensity ratio 49/1

C

2 beats per second with intensity ratio 7/3

D

4 beats per second with intensity ratio 4/3

Text Solution

Verified by Experts

The correct Answer is:
C
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