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For a material with a refractive index µ ≥ 2 , light incident at any angle shall be guided along

Options

  1. Aa length perpendicular to the incident face.
  2. Ba length parallel to the incident face.
  3. Can angle greater than the critical angle.
  4. Da length at an oblique angle to the incident face.

Correct answer

A. a length perpendicular to the incident face.

Step-by-step solution

Correct Option is : (A) a length perpendicular to the incident face.

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