Question

A light ray of angle of incidence 40° emerged from prism in minimum deviation position.The what is the angle of incidence on the second surface?

Answer 1

Answer on Question #55517-Physics-Optics

A light ray of angle of incidence $40{}^{\circ}$ emerged from prism in minimum deviation position. The what is the angle of incidence on the second surface?

Solution

In the minimum deviation position, $\angle i_1 = \angle i_2$ . Thus, the angle of incidence on the second surface is equal to the angle of incidence on the first surface.

$$\angle i _ {2} = \angle i _ {1} = 4 0 {}^ {\circ}$$

Answer: $40{}^{\circ}$

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