Question

define frequency, wavelength of amplitude .write si unit explain and also explain?

Answer 1

the number of oscillations per second is called frequency si unit is of this is hertz
F=no of oscillations/time
hope it will help you

Answer 2

hello friend
so let's start
first of all frequency
frequency is the number of the Waves per second
unit of frequency is Hertz
wavelength is the length of 1 wave
s i unit of wavelength is metre
amplitude is the maximum displacement of a wave from its mean position
s i unit of amplitude is metre