Question

4) What is amplitude ?​

Answer 1

amplitude is similar to magnitude . it refers to the maximum extent of vibration (in physics) .

and in astronomy it refers to the angular distance of celestial object from the true east or west point of horizon at rising or setting .

Hope it's helpful to you

Answer 2

Answer:

The amplitude of a periodic variable is a measure of its change in a single period. There are various definitions of amplitude, which are all functions of the magnitude of the differences between the variable's extreme values. In older texts, the phase of a period function is sometimes called the amplitude