Question

what is amplitude? what is the SI unit of amplitude​

Answer 1

Answer:

meter

meterFor one dimensional motion, the maximum displacement of an oscillatory system from its equilibrium position is called its amplitude. The symbol for amplitude is A (italic capital a). The SI unit of amplitude is the meter [m], but other length units may be used.

Answer 2

Answer:

amplitude-the greatest distance that a wave, especially a sound or radio wave, moves up and down

SI unit-metres