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Question

A prism having an apex angle 4 and refraction index 1.5 is located in front of a vertical plane mirror as shown in figure.  Through what total angle is the ray deviated after reflection from  the mirror



Your Answer
A
176
Your Answer
B
4
Correct Answer
C
178
Your Answer
D
2

Solution

The correct option is C 178
δprism=(μ1)A=(1.51)4=2
δTotal=δprism+δMirror=(μ1)A+(1802i)=2+(1802×2)=178

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