1.

(A) : The energy of electron is largely determined by its principal quantm number. (R) : The principal quantum number is a measure of most probable distance of finding the arond the nucleus

Answer»

Both (A) and (R) are TRUE and (R) is the correct EXPLANATION of (A)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
(A) is true but (R) is false
(A) is false but (R) is true

ANSWER :A


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