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JIPMER2005PhysicsRay Optics

What should be the minimum value of refractive index of the material of the prism for the reflections to take place as shown in the figure?

Options

  1. A1.7
  2. B1.4
  3. C1.2
  4. D2.7

Correct answer

B. 1.4

Step-by-step solution

From the formula, the minimum refractive index is aligned _m & = i r = 90^ 45^ & = 1 1 / 2 = 2 =1.414 & 1.4 aligned

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