Problem 6: A corner reflector is shown in the figure. This is a prism which uses total internal reflection at points A and B to reflect light back toward its source. In this specific case the angle of incidence at point A is 0=37° and the angle of the first surface with the horizontal is a = 5°. の B В Part (a) What is the angle ẞ, in degrees, if we want to make sure the incoming and outgoing rays are parallel to each other? B= Part (b) What is the minimum index of refraction for the material used to make this corner reflector, at least at point A?
Problem 6: A corner reflector is shown in the figure. This is a prism which uses total internal reflection at points A and B to reflect light back toward its source. In this specific case the angle of incidence at point A is 0=37° and the angle of the first surface with the horizontal is a = 5°. の B В Part (a) What is the angle ẞ, in degrees, if we want to make sure the incoming and outgoing rays are parallel to each other? B= Part (b) What is the minimum index of refraction for the material used to make this corner reflector, at least at point A?
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Transcribed Image Text:Problem 6: A corner reflector is shown in the figure. This is a prism which uses total internal reflection at points A
and B to reflect light back toward its source. In this specific case the angle of incidence at point A is 0 = 37° and the angle
of the first surface with the horizontal is a = 5°.
20
B
В
Part (a) What is the angle ẞ, in degrees, if we want to make sure the incoming and outgoing rays are parallel to each other?
B =
Part (b) What is the minimum index of refraction for the material used to make this corner reflector, at least at point A?
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