A) K two-fold, U four-fold
B) K four-fold, U two-fold
C) K four-fold, U also four-fold
D) K two-fold, U also two-fold
E) no change in K and U
Correct Answer: C
Solution :
As \[U=2E,K=-E\] Also, \[E=-\frac{13.6}{{{n}^{2}}}\text{ }eV\] Hence, K and\[U\]change as four-fold each.
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