If a laser beam is shot straight up from the bottom of a pool so that it intersects the pools surface in a perpendicular fashion, what will the angle of refraction be in the air? A) 0 B)45 C)90 D)This

If a laser beam is shot straight up from the bottom of a pool so that it intersects the pools surface in a perpendicular fashion, what will the angle of refraction be in the air?

A) 0
B)45
C)90
D)This cannot ve measured

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If a laser beam is shot straight up from the bottom of a pool so that it intersects the pools surface in a perpendicular fashion, what will the angle of refraction be in the air?…

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