MPSC PYQScienceSound Numericalenglish

SONAR: echo from A at 2 s, from B at 6 s. v=1230 m/s in water. How much deeper is B than A?

A.1560 m
B.3450 m
C.2050 m
D.2460 m

Correct answer: D

Source paper

Science: Sound (Numerical)

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