A marine survey ship sends a sound wave to the seabed which receives – McqOptions

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1.	A marine survey ship sends a sound wave to the seabed which receives an echo after 2.5 s. The speed of sound in seawater is 1200 ms-1. The depth of the sea is
A.	1200 m
B.	1500 m
C.	750 m
D.	1000 m
Answer» C. 750 m

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