A) \[1568\text{ }m\]
B) \[803.7\text{ }m\]
C) \[1607.4\text{ }m\]
D) \[765.5\text{ }m\]
Correct Answer: B
Solution :
Time taken = 1.05 s Speed of sound in salt water \[\text{=1531 m }{{\text{s}}^{\text{-1}}}\] Distance travelled by pulse from submarine to the cliff and back to submarine, \[\text{2 }\times \text{ Distance =1531}\times \text{1}\text{.05}\] \[\therefore \] Distance between cliff and submarine, \[S=\frac{1531\times 1.05}{2}=803.7m\]
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