A beam of light travels fastest in
A) air.
B) plastic.
C) glass.
D) water.
E) is the same in each of these

Name: A beam of light travels fastest in A) air. B) plastic. C) glass. D) water. E) is the same in each of these
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Question

Quizplus · Accepted Answer

Light travels fastest in air among the options given, because air has a lower refractive index compared to plastic, glass, and water, meaning it slows down light less.

A Beam of Light Travels Fastest in