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Question: Answered & Verified by Expert
Assertion : In Young's double slit experiment, interference pattern disappears when one of the slits is closed.
Reason : Interference occurs due to superposition of light waves from two coherent sources.
PhysicsWave OpticsAIIMSAIIMS 2018 (26 May)
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:
2114 Upvotes Verified Answer
The correct answer is: If both assertion and reason are true and reason is the correct explanation of assertion.
When one of the slits is closed, there appears general illumination from a single source. Interference does not take place.

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