WBCS.LIVE practice question

The functioning of an optical fiber is based entirely on which physical phenomenon?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Diffraction of light
  2. Dispersion of light
  3. Refraction of light
  4. Total internal reflection

Correct answer and explanation

Correct answer: Total internal reflection

Explanation: āœ… Correct Answer: D) Total internal reflection šŸ“š Explanation: Optical fibers are thin, flexible strands of pure glass or plastic used to transmit massive amounts of digital data via light signals over long distances. They function seamlessly based on the principle of total internal reflection. When light is introduced at the correct angle, it repeatedly reflects off the inner walls without escaping the fiber core.