Question

If vibrating body completes 100 cycles of its vibrations in 4 seconds. Calculate its frequency would this sound be audible? Give reason.

Answer 1

Frequency = 25 hz
yes the sound will be heard
since the audible range of humans is 20 hz to 20000 hz

Answer 2

Answer:

25hz

Explanation:

We know,

Frequency=No. of vibrations completed divided by time taken

So,

100 divide 4= 25 Hz.

Human beings can hear sounds from 20 Hz to 20 kHz.