Difference between Frequency and Amplitude

Amplitude of Sound

Frequency of Sound

It is maximum displacement of a vibrating object from its central location

Number of Vibrations made in one second is called frequency of sound

It determines size of waves

It measures number of waves per second

It is measured in metre.

It is measured in Hertz

It measures how loud a sound is

It determines shrillness or pitch of sound

Higher the amplitude,more loud the sound

Higher the frequency, more shrill or high pitched is  the sound