Question

What is wavelength?
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Answer 1

Answer:

The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave is called as wavelength

Answer 2

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Definition: Wavelength can be defined as the distance between two successive crests or troughs of a wave. It is measured in the direction of the wave.

This means the longer the wavelength, lower the frequency. In the same manner, shorter the wavelength, higher will be the frequency.