It takes 2.4 s to record the echo of a sonar. If the speed of sound in water is 1450 m/s, the depth of the ocean floor is (a) 3480 m (C) 870 m () 1740 m (d none of these

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It takes 2.4 s to record the echo of a sonar. If
the speed of sound in water is 1450 m/s, the
depth of the ocean floor is
(a) 3480 m
(6) 1740 m
(d) none of these
() 870 m
Transcribed Image Text:It takes 2.4 s to record the echo of a sonar. If the speed of sound in water is 1450 m/s, the depth of the ocean floor is (a) 3480 m (6) 1740 m (d) none of these () 870 m
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