question_answer

Using the sonar, sound pulses are emitted at the surface, the pulses after being reflected from the bottom are detected, if the time interval from the emission to the detection of the sound pulses is 2 seconds, find the depth of the water. (Taking velocity of sound through water = 1531 m/s)

A)  1500 m                

B)  1000 m

C)  1531 m            

D)  1530 m