Two sources of sound placed close to each other, are emitting progressive waves given by y1 = 4sin600$\pi $t and y2 = 5sin608$\pi $t An observer located near these two sources of sound will hear

Question

Two sources of sound placed close to each other, are emitting progressive waves given by
y₁ = 4sin600$\pi $t and y₂ = 5sin608$\pi $t
An observer located near these two sources of sound will hear

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 warning.

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

Solution

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