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In refraction, when a wave travels from one medium to another, it

A. changes speeds.
B. stays in step.
C. always moves in the same direction.
D. travels in the opposite direction.

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User Kirugan
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1 Answer

3 votes
In refraction, when a wave travels from one medium to another it changes speed.

Correct option is A.
answered
User Atli
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8.5k points

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