Question

An object makes 20 vibrations in 4 seconds.Calculate the following for the vibration ofthe

object:

i) frequency

ii)time period

iii)Will the sound produced by this object be audible to human ears?Give a reason for your​

Answer 1

Answer:

The frequency determines the shrillness or pitch of a sound. If the frequency of vibration is higher, we say that the sound is shrill and has a higher pitch. If the frequency of vibration is lower, then we say that the sound has low pitch.