Physics, asked by romasevkani9557, 1 year ago

23. Ultrasonic signal sent from sonar returns to it after reflection from a rock after a lapse of 1 sec. If the velocity of ultrasound in water is 1600 ms–1, the depth of rock in water is (Ans. in metre)

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Answered by samriddhi13

16

Depth=vt/2
D=1600*1/2
D=800m

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