Question

Wht is an amplitude?? kindly explainme in detail

Answer 1

Highest length or crest and lowest depth of trough is called amplitude

Answer 2

 the amplitude of a periodic variable is a measure of its change over a single period (such as time or spatial period). There are various definitions of amplitude, which are all functions of the magnitude of the difference between the variable's extreme values. In older texts the phase is sometimes called the amplitude.