A pulse of a sound is transmitted from a ship a... - WAEC Physics 2002 Question
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
correct option: b
x = \(\frac{vt}{2} = \frac{1560 \times 0.2}{2} = 156m\)
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