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What is the function of an optical fibre?

  • A To store electrical energy
  • B To transmit light signals over long distances using total internal reflection
  • C To measure temperature
  • D To amplify sound waves
Correct Answer: Option B — To transmit light signals over long distances using total internal reflection
Explanation:
Optical fibres transmit light signals over long distances using total internal reflection within a glass or plastic fibre and are the backbo...
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