Physics, 25.01.2020 10:31 billgray2571
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
Answers: 1
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If a laser beam is shot straight up from the bottom of a pool so that it intersects the pools surfac...
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