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Question

A ship sends sonar and receives an echo after 2 seconds. If the speed of sound waves in water is 1500 m/s, then the depth of the sea is



Correct Answer
A

1500 m 

Your Answer
B

500 m

Your Answer
C

1000 m

Your Answer
D

750 m


Solution

The correct option is A

1500 m 


Let depth of sea = d

Distance traveled = 2d

Speed of sound = total distance/ time taken

1500 m/s = 2d / 2s

d = 1500 m

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