Question

1)what are ultrasonic and infrasonic sensors
2) any two applications of ultra sonic waves​

Answer 1

Answer:

ultrasonic are those which are above 20000Hz and infrasonic are below 20000Hz. Two applications are

in finding cracks in metals

in sonars.

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Answer 2

Answer:

1)Ultrasonic waves are acoustic waves that are so high in frequency that humans can't hear them; however, infrasonic waves are sound waves that are lower in frequency than what humans can hear.

2)Applications of Ultrasonic Waves:-

Ultrasonic flaw detection. Cutting and matching of hard materials.

Ultrasonic soldering and welding. Measurement of flow devices.

Explanation:

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