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Question: Answered & Verified by Expert
Assertion : Optical fibres are used for telecommunication
Reason: Optical fibres are based on the phenomenon of total internal reflection.
PhysicsRay OpticsAIIMSAIIMS 2007
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion
  • B If both assertion and reason are true but reason is not the correct explanation of assertion
  • C If assertion is true but reason is false
  • D If both assertion and reason are false.
Solution:
1513 Upvotes Verified Answer
The correct answer is: If both assertion and reason are true and reason is the correct explanation of assertion
Optical fibers are used in communication and it is because the phenomenon of total internal reflection, taking place inside the fiber for the signal incident. Both the statements are correct and the reason given is the right explanation.

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