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The cross section of a glass prism has t...

The cross section of a glass prism has the form of an isosceles triangle. One of th erefracting faces is silvered. A ray of light falling normally on the other refracting face, being reflected twice, emerges through the base of the prism perpendicular to it. Find the angles of the prism.

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To solve the problem step by step, we will analyze the given information about the prism and the path of the light ray. ### Step 1: Understand the Geometry of the Prism The prism is described as an isosceles triangle. Let's denote the angles of the prism as follows: - Let the angle at the apex of the prism be \( A \). - The other two angles at the base will be equal, and we can denote them as \( \alpha \). Since it is an isosceles triangle, we have: ...
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