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Question
When light rays move from one medium to another, they bend because of varying speeds in different mediums. What is this phenomenon called?
When light rays move from one medium to another, they bend because of varying speeds in different mediums. What is this phenomenon called?
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Solution
The correct option is C Refraction
Refraction is the change in direction of a wave passing from one medium to another caused by its change in speed. The refraction of light when it passes from a fast medium to a slow medium bends the light ray toward the normal to the boundary between the two media. The amount of bending depends on the indices of refraction of the two media and is described quantitatively by Snell's Law.
Refraction is the change in direction of a wave passing from one medium to another caused by its change in speed. The refraction of light when it passes from a fast medium to a slow medium bends the light ray toward the normal to the boundary between the two media. The amount of bending depends on the indices of refraction of the two media and is described quantitatively by Snell's Law.
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