A) \[n=4\]
B) \[n=2\]
C) \[n=16\]
D) \[n=3\]
Correct Answer: B
Solution :
The radii of H-atom and the electron can be related as \[{{n}^{2}}\times 5.3\times {{10}^{-11}}=21.2\times {{10}^{-11}}\] \[\Rightarrow \] \[{{n}^{2}}=4\] \[n=2\]You need to login to perform this action.
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