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

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]
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  • A 312.0m
  • B 156.0m
  • C 78.0m
  • D 31.2m
Correct Answer: Option B
Explanation:
x = \(\frac{vt}{2} = \frac{1560 \times 0.2}{2} = 156m\)

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