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1. A laser beam is incident on a 45-45-90 1. A laser beam is incident on a 45-45

ID: 1290532 • Letter: 1

Question

1. A laser beam is incident on a 45-45-90

1. A laser beam is incident on a 45-45-90A hat degree prism perpendicular to one of its faces, as shown in the figure below. The transmitted beam that exits the hypotenuse of the prism makes an angle of Theta= 20.6A hat degree with the direction of the incident beam. Find the index of refraction of the prism. 2. Also I have a side question. I can't seem to figure out what Im doing wrong with question c here. I already have the first two correct. Find the speed of light in the following. (a) fluorite 2.098e8 m/s (Correct) (b) crown glass 1.97e8 m/s (Correct) (c) polystyrene 1.93e8 m/s (Incorrect)

Explanation / Answer

1.
Perpendicular to one of the faces of the glass prism, the laser beam going from air to glass is not refracted