Question

define wavelength with neat diagram​

Answer 1

Ello user !!!!!!!!!!!

Here is your answer,

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Light is measured by its wavelength (in nanometers) or frequency (in Hertz).

One wavelength. equals the distance between two successive wave crests or troughs.

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HOPE THIS HELPS YOUU :)

AND STAY BLESSED.

Answer 2

this is a perfect answer and very simple an easy to understand