A pulse of a sound is transmitted from a ship and the reflection from the...

WAEC 2002

A pulse of a sound is transmitted from a ship and the reflection from the sea bed is recorded after 0.2s. Calculate the depth of the sea. [Take speed of sound in sea water = 1560ms^-1]

A. 312.0m
B. 156.0m
C. 78.0m
D. 31.2m

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Correct Answer: Option B

Explanation

x = \(\frac{vt}{2} = \frac{1560 \times 0.2}{2} = 156m\)

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A pulse of a sound is transmitted from a ship and the reflection from the...

Correct Answer: Option B

Explanation

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