Question

Q1. Define wavelength.​

Answer 1

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Wavelength is the distance between two successive troughs or two successive crests. The wavelength can also be defined as the distance between two points in the wave that have the same phase of the oscillation.

Answer 2

Wavelenght is the distance between two crest or trough of the wave .

Wave is Denoted by Greek letter λ

λ is called lambda.