Question

what is the difference between amplitude and frequency?

Answer 1

amplitude :
(I) it is the maximum displacement of the particles from there mean position .
(II) S.I. unit is 'm'.
(III) it determines the loudness of the sound .
frequency : 
(I) it is the number of vibration per seconds .
(II) S.I. unit is 'Hz'.
(III) it determines the pitch .
i hope it helps...............  

Answer 2

amplitude : 
(I) it is the maximum displacement of the particles from there mean position .
(II) S.I. unit is 'm'.
(III) it determines the loudness of the sound .
frequency : 
(I) it is the number of vibration per seconds .
(II) S.I. unit is 'Hz'.
(III) it determines the pitch .
i hope it helps...............  
hz means hertz