Two sources of sound placed close to each other, are emitting progressive waves given by y_1=4sin600\pit and y_2=5sin608\pit An observer located near these two sources of sound will hear (2012)

Correct Answer is : 4 beats per second with intensity ratio 81 :1 between waxing and waning.

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

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

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

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

Class 11 NEET Physics Waves Questions Questions

Question : 34 of 94

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Two sources of sound placed close to each other, are emitting progressive waves given by y1=4sin600πt and y2=5sin608πt
An observer located near these two sources of sound will hear

(2012)

4 beats per second with intensity ratio 25 : 16 between waxing and waning.
8 beats per second with intensity ratio 25 : 16 between waxing and waning.
8 beats per second with intensity ratio 81 :1 between waxing and waning
4 beats per second with intensity ratio 81 :1 between waxing and waning.

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