Question

How are ultrasonic waves different from ordinary sound waves.Write two applications of sound waves?

Answer 1

ultrasonic waves are the waves which have frequency above 20,000 Hz and have higher penetrating power but the ordinary waves have different frequency from ultrasonic waves which is not more than 20,000 Hz. ... 2)ultrasonic waves used in industries for detecting flaws and cracks in solid objects.

Answer 2

Answer:

A) ultrasonic waves are the waves which have frequency above 20,000 Hz and have higher penetrating power but the ordinary waves have different frequency from ultrasonic waves which is not more than 20,000 Hz.

application:-

1)ultrasonic waves used in SONAR to measure the depth of sea.

2)ultrasonic waves used in industries for detecting flaws and cracks in solid objects.