Assertion : Heavy water is a better moderator than normal water. Reason : Heavy water absorbs neutrons more efficiently than normal water.
Assertion : Heavy water is a better moderator than normal water.
Reason : Heavy water absorbs neutrons more efficiently than normal water.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not correct explanation of A
(c) A is true but R is false
(d) A and R are false
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The correct option is (c).
Explanation:
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.
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