Question

Hey everyone my question is wat is amplitude and echo

Answer 1

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echo amplitude. The amplitude of the vertical deflection of anecho on an A-display. Less commonly, the amplitude of the target signal.

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Answer 2

$\huge\mathfrak\red{Elo!}$

$\underline\mathtt{Amplitude :-}$

The maximum extent of a vibration or displacement of a sinusoidal oscillation, measured from the position of equilibrium. Amplitude is the maximum absolute value of a periodically varying quantity.

$\underline\mathtt{Echo :-}$

The repetition of the sound, which is reflected from a high building or any such surface is called an echo.