Q. Optical fiber is based upon the principle of–

  • (A) Refraction
  • (B) Scattering
  • (C) Diffraction
  • (D) Total internal Reflection
✅ Correct Answer: (D) Total internal Reflection

Published by Mr. Dubey ⭐ 104.85K Points at 19-Jan-2021 02:37 am in Science

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