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Match the Column-I and Column-II.
Column-I
Column-II
(A) Radius of \( \mathrm{n}^{\text {th }} \) orbit
(1) \( \frac{2 \pi k z e^{2}}{n h} \)
(B) Velocity of electron in \( \mathrm{n}^{\text {th }} \) orbit
(2) \( \frac{-k z e^{2}}{r h} \)
(C) Potential energy in \( \mathrm{n}^{\text {th }} \) orbit
(3) \( \frac{k z e^{2}}{2 r h} \)
(D) Kinetic energy in \( \mathrm{n}^{\text {th }} \) orbit
(4) \( \frac{n^{2} h^{2}}{4 \pi k z e^{2} m} \)
(a) (A) \( \rightarrow \) (4); (B) \( \rightarrow \) (1); (C) \( \rightarrow \) (2); (D) \( \rightarrow \) (3)
(b) (A) \( \rightarrow \) (4); (B) \( \rightarrow \) (3); (C) \( \rightarrow \) (1); (D) \( \rightarrow \) (2)
(c) (A) \( \rightarrow \) (2); (B) \( \rightarrow \) (1); (C) \( \rightarrow \) (4); (D) \( \rightarrow \) (3)
(d) \( (\mathrm{A}) \rightarrow(4) \); (B) \( \rightarrow(2) \); (C) \( \rightarrow(1) \); (D) \( \rightarrow(3) \)
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