A Light Ray in Air Strikes a Glass Surface with an Angle

A light ray in air strikes a glass surface with an angle of incidence of 30.0 $^{\circ}$ .The angle of refraction in the glass is 20.0 $^{\circ}$ .What is the angle between the reflected ray and the refracted ray?

A) 60 $^{\circ}$
B) 70 $^{\circ}$
C) 120 $^{\circ}$
D) 130 $^{\circ}$
E) 140 $^{\circ}$

Correct Answer:

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