Question

6. A vibrating body should oscillate a minimum of how many a times per second to make an audible sound for
humans?
a) 10 times
b) 20 times
c) 30 times
d)
40 times​

Answer 1

Answer:

The answer will be option b) 20 times

Explanation:

A vibrating body should oscillator for minimum 20 times per second to make an audible sound for humans. The human can hear the sounds which have frequency in the frequency range of 20Hz to 20kHz.

Answer 2

Answer:

the range of human ear is 20 Hertz to 20000 Hertz

so so A vibrating body should oscillate minimum 20 times to make an audible sound for human beings