Ultrasonic signal sent from SONAR returns to it after reflection from – McqOptions

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1.	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 the rock in water is [JIPMER 2000]
A.	300 m
B.	400 m
C.	500 m
D.	800 m
Answer» E.

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