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Question: Answered & Verified by Expert
Assertion : Heavy water is a better moderator than normal water.
Reason : Heavy water absorbs neutrons more efficiently than normal water.
PhysicsNuclear PhysicsAIIMSAIIMS 2019 (25 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:
2937 Upvotes Verified Answer
The correct answer is: If assertion is true but reason is false.
The assertion is true because heavy water is a better moderator than ordinary water. This is because heavy water absorbs fewer neutrons than normal water. The reason is false.

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