The speed of light in glass is
A) smaller than that in air.
B) larger than that in air.
C) unchanged from that in air.
D) undefined.

Name: The speed of light in glass is A) smaller than that in air. B) larger than that in air. C) unchanged from that in air. D) undefined.
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Question

Quizplus · Accepted Answer

The speed of light in glass is smaller than that in air because glass has a higher refractive index than air, which means light travels slower in glass compared to air.

The Speed of Light in Glass Is