When a Light Ray Travels Between Any Two Points,the Path

question 21

Multiple Choice

When a light ray travels between any two points,the path it takes is the one that (Hint: Eliminate answers you know are wrong. )

• A)covers the greatest distance.
• B)follows the greatest index of refraction.
• C)avoids travel in more than one medium.
• D)is the mean between the longest and the shortest paths.
• E)takes the least time.

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