Question

how does light normaly travel​

Answer 1

Answer:

Light travels as a wave. But unlike sound waves or water waves, it does not need any matter or material to carry its energy along. This means that light can travel through a vacuum—a completely airless space. (Sound, on the other hand, must travel through a solid, a liquid, or a gas.)

Explanation:

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Answer 2

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Light can travel in three ways from a source to another location:

(1) directly from the source through empty space

(2) through various media

(3) after being reflected from a mirror.