Question

The speed of light is …… in glass then air
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Answer 1

Answer:

Light travels Faster in air, but slower in glass.In different materials, the speed of light slows down to less than c. ... In water, the refractive index is 1.3 and in glass, it is 1.5. Therefore, light travels faster through water, than it travels through glass.

Explanation:

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Answer 2

Answer:

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