A) 300 m
B) 400 m
C) 500 m
D) 800 m
Correct Answer: D
Solution :
If d is the distance of rock from SONAR then \[2d=vt\]Þ \[d=\frac{v\times t}{2}=\frac{1600\times 1}{2}=800m\]You need to login to perform this action.
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