Asked by nina
A thin light beam is shining onto a wall. You take a solid block of glass that is 3.0cm thick and place it between the wall and the beam. The refractive index of the glass is 1.5. The angle between the beam and the surface of the block is 60° What is the incident angle of the beam on the block.
Answers
Answered by
Scott
the incident angle is measured relative to the normal to the surface
90º - 60º = 30º
90º - 60º = 30º
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