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Question: Answered & Verified by Expert
Assertion : It is essential that all the lines available in the emission spectrum will also be available in the absorption spectrum.
Reason : The spectrum of hydrogen atom is only absorption spectrum.
PhysicsAtomic PhysicsAIIMSAIIMS 2008
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:
1247 Upvotes Verified Answer
The correct answer is: If both assertion and reason are false.
Emission transitions can take place between any higher energy level and any energy level below it while absorption transitions start from the lowest energy level only and may end at any higher energy level. Hence number of absorptions transitions between two given energy level. Hence number of absorptions transitions between two given energy levels is always less than the number of emission transitions between the same two levels.

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