Physics, asked by sanjanasachinumale, 6 months ago

3. Frequency of ultrasound is...
Greater than 20 Hz
Less than 20 Hz
Greater than 20 Hz
Less than 20 Hz

Answers

Answered by jahnavi6758

4

Answer:

greater than 20 hz

Explanation:

PLZ MARK MY ANSWER AS BRAINLIEST.tq

Answered by ay4305

2

Ans->Greater than 20HZ.

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