CBSE BOARD XII, asked by agaur8917, 11 months ago

What does the frequency of sound if an object oscillates 20times per second ?

Answers

Answered by shivam200541
0
20 Hz
because :
the number of waves that pass a fixed point in unit time; also, the number of cycles or vibrations undergone during one unit of time by a body in periodic motion. 
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