Atomic StructureHard
Question
The radius of hydrogen atom in the first excited level is :
Options
A.twice
B.four times
C.same
D.half
Solution
Radius of H-atom ∝ n2
So for excitation from n = 1 to n = 2, redius becomes 4 times.
So for excitation from n = 1 to n = 2, redius becomes 4 times.
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