Physics, asked by nehasingh3520, 4 months ago

A sound with frequency greater than 20 Hz is called ultrasonic
02 a)true b) false

Answers

Answered by sciencebusterkids

2

Answer:

false

Explanation:

frequency<20hz=infrasonic

20hz<frequency<20Khz = sonic

frequency>20kHz = ultrasonic

Answered by pratikpawar73051

0

Answer:

hf the following points and describe

Explanation:

. kkkkkk the following points and

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