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Question: Answered & Verified by Expert
Assertion: When a white light is passed through a lens, violet light is more refracted than red light.
Reason : Focal length for red light is greater than violet.
PhysicsRay OpticsAIIMSAIIMS 2011
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:
1120 Upvotes Verified Answer
The correct answer is: If both assertion and reason are true and reason is the correct explanation of assertion.
When white light is passed through a lens, violet light is more refracted than red light because wavelength of violet is less than red light and therefore focal length for red light is greater than violet.

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