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Transverse & Longitudinal Waves

The speed of ...

Question

The speed of sound wave in air depends on temperature but that of light does not. Why?

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Solution

Sound is a mechanical wave and for which $V = \sqrt{\frac{γ R T}{m}}$ while light is a non-mechanical wave for which it $C = \frac{1}{\sqrt{ε_{o} μ_{o}}}$ .

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