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12-11-2020
Physics

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Why light travels slower in glass than in air or vacuum?

Respuesta :

jjujjaya jjujjaya

12-11-2020

Answer:

because of glass' higher refractive index

Explanation:

air and vacuum have a lower refractive index and are optically lighter, so light travels faster.

whereas glass has a higher optical density, so light travels slower

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