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Two sources of sound placed closed to ea...

Two sources of sound placed closed to each other are emitting orogressive waves given by `y_(1)=4sin 600 pit and y_(2) =5sin 608 pit`
An observer located near these two sources

A

8 beats per second with intensity ratio 81: 1 between waxing and waning

B

4 beats per second with intensity ratio 81: 1 between waxing and waning

C

4 beats per second with intensity ratio 25: 16 between waxing and waning

D

8 beats per second with intensity ratio 25: 16 between waxing and waning

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-WAVES-ASSIGNMENT ( SECTION-C ( Previous year Questions ))
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  18. A transerse wave propagating along x-axis is represented by y(xx ,t)...

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  19. The of reverberation of a room A is 1s. What will be the time (in seco...

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