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Find the angle of incidence at which a r...

Find the angle of incidence at which a ray of monochromatic light should be incident on the first surface AB of a regular glass prism ABC so that the emergent ray grazes the adjacent surface AC.(Refractive Index of glass = 1.56) 

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To find the angle of incidence at which a ray of monochromatic light should be incident on the first surface AB of a regular glass prism ABC so that the emergent ray grazes the adjacent surface AC, we can follow these steps: ### Step 1: Understand the Geometry of the Prism The prism ABC is a regular glass prism, which means it has equal angles. For a regular prism, the angle of the prism (A) is 60 degrees. ### Step 2: Define the Angles Let: - \( I \) = angle of incidence at surface AB ...
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