NEET Physics Waves Questions Solved


Two sources of sound placed close to each other, are emitting progressive waves given by

y1=4 sin 600πt and y2=5 sin 608 πt

An observer located near these two sources of sound will hear

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

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

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

(d) 4 beats per second with intensity ratio 81:1 waxing and waning

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