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If one face of a prism angle 30^(@) "and...

If one face of a prism angle `30^(@) "and" mu= sqrt2` is silvered , the incident ray retraces its initial path. What is the angle of incidence?

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To solve the problem step by step, we can follow these instructions: ### Step 1: Understand the configuration of the prism We have a prism with an angle of 30 degrees, and one of its faces is silvered. This means that when light hits this face, it reflects back into the prism. ### Step 2: Identify the angles involved Let’s denote: - The angle of the prism as \( A = 30^\circ \) ...
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