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A ray of light falls on an equilateral p...

A ray of light falls on an equilateral prism ABC as shown. Face AC of the prism is polished.

Calculate 'mu' when the ray falls on BC after reflecting from AC it make angle 60 with it .With the value of `mu` calculated above find total deviation, when the ray of light finally emerges from BC

A

`120^(@)`

B

`180^(@)`

C

`150^(@)`

D

`90^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
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