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The refractive index of the material of a glass prism is 3 . The angle of minimum deviation is equal to the angle of the prism. What is the angle of the prism?

Options

  1. A60^
  2. B58^
  3. C48^
  4. D50^

Correct answer

A. 60^

Step-by-step solution

= ( A+ _ 2 ) A 2 Given _ = A aligned & 3 = A A 2 = 2 A 2 A 2 A 2 & A 2 = 3 2 & A=60^ aligned

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