1.

A strong sound signal is sent from a ship towards the bottom of the sea. It is received back after 1s. What is the depth of sea given that the speed of sound in water 1450ms^(-1)?

Answer»

Solution :VELOCITY of sound in water = `=("Distance TRAVELLED by sound")/("Time TAKEN")`
Depth of the sea, d = velocity `XX` time
`d=(vt)/(2)=(1450xx1)/(2)`
`d=725m`


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