User Forum

Subject :NSO    Class : Class 8
Sonic vibrations were sent down from a ship return after 2 seconds. What is the depth of the sea, if the speed of sound in water is 1.5 kms-1 ?

(A) 150 m

(B) 3 km

(C) 1.5 km

(D) 750 m


Answer should be C - 1.5KM instead of D-750m as given by the sofolympiadtrainer site. Please respond with the right answer.

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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