Question

Statement-1 `:` In under water communication, sound waves with low frequency are better than those with high frequency.
Statement-2 `:` When sound pressure amplitude exceeds the atmospheric and hyrostatic pressure, it sets up eddy and turbulent motions in water.
A. Statement -1 is true, Statement-2, Statement -2 is correct explanation of statement-1.
B. Statement-1 is true, Statement-2 is true, Statement-2 is not a correct explanantion of Statement-1.
C. Statement-1 is correct, Statement-2 is false.
D. Statement-1 is false, Statement-2 is true.

Answer 1

Correct Answer - c
In under water communications, sound waves with higher frequency are preferred as they would carry more energy and can travel larger distances without dispersion.