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When a Wave is Propagating from a Rarer to a Denser Medium, Which Characteristic of the Wave Does Not Change and Why? - Physics

Short Note

When a wave is propagating from a rarer to a denser medium, which characteristic of the wave does not change and why?

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Solution

Frequency of a wave does not change when the wave is propagating from a rarer to a denser medium because frequency (ν) is given by the relation

`"v" = "v"/lambda`

As the medium changes velocity (v) and wavelength (λ) change such that ratio remains constant.

Concept: Rarer and Denser Medium
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