Device which uses sound waves for detection and ranging is called

Options

A. Radar
B. Sonar
C. Pukar
D. None of the above

Answer

A

Explanation

Sonar is a device or system for finding objects under water by means of reflected sound waves. Radar is a system for finding out the position and movement of solid objects, especially aircraft and ships, when they cannot be seen, by sending out short radio waves which they reflect.