Question

A sonar uses ______ waves to detect and locate objects under water. (a) infrasonic waves (b) Ultrasonic waves (c) Audible waves (d) Supersonic waves​

Answer 1

Answer:

Ultrasound and not any other sound wave are used in SONAR for two reasons. Firstly, ultrasound has a higher frequency and hence higher energy than audible sound waves, so they can move easily underwater and are not stopped by small obstacles.

Explanation:

कृपया मुझे सबसे बुद्धिमान उत्तर के रूप में चिह्नित करें

Answer 2

Answer:

supersonic waves

supersonic waves