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Post Test: Optics
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Select the correct answer.
If light travels from oil (slower medium) to water (faster medium) at an angle, what happens to the direction of the light ray in water with respect to
normal?
O A.
It moves away from the normal.
OB.
It moves toward the normal.
â—‹ C.
It will move along the normal.
OD.
It will move perpendicular to the normal.
SOE.
It stops traveling.
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