Speed of light is maximum in:

Glass

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Vacuum

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Water

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Nylon

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Solution

The correct option is A Vacuum
Light travels faster in vacuum as compared to any other medium. This is because there is no obstruction in the propagation of light in vacuum as there is no matter in vacuum and also, because the refractive index of vacuum is the lowest i.e. equal to unity.
Hence, the correct answer is OPTION B.

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The speed of light is maximum in
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