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AIIMS2019PhysicsRay Optics

The refractive index of the material of an equilateral prism is 1.6. The angle of minimum deviation due to the prism would be

Options

  1. A30^
  2. Bbetween 30^ and 45^
  3. C45^
  4. Dbetween 45^ and 60^

Correct answer

D. between 45^ and 60^

Step-by-step solution

Here, =1.6, A=60^ aligned & As, = ( A+ _m 2 ) ( A 2 ) & ( 60^ + _m 2 )=1.6 ( 60^ 2 ) & ( 60^ + _m 2 )=0.8 _m=46.3^ aligned

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