Foundation
Physics Foundation
Human Eye And Colorful World
Question
In the following ray diagram the correctly marked angles are.
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Solution
∠A represents the angle of a prism while ∠D represents the angle of deviation and both are correctly marked.
As angle of refraction (∠r) is the angle formed by the refracted ray with the normal and is also correctly marked.
But ∠i and ∠e are the angles made by the incident ray with the normal and emergent ray with the normal respectively and thus are incorrectly marked.