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For the energy levels in atom, which one...

For the energy levels in atom, which one of the following statement (s) is (are) correct?

A

The relation is an equivalent relation

B

The relation is not reflexive but it is symmetric and transitive

C

The relation is not symmetric but it is reflexive and transitive

D

The relation is not transitive but it is reflexive and symmetric

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The correct Answer is:
A
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