iran-konkur 2014 Q198

iran-konkur · Other · konkur-riazi_1393 Not Maths
198- In a hydrogen atom, the electron transitions from level $n=1$ to level $n=3$. In this transition, the orbital radius and the electron's energy, respectively, become how many times the previous state?
(1) $3$ and $\dfrac{1}{3}$ (2) $9$ and $\dfrac{1}{9}$ (3) $3$ and $3$ (4) $9$ and $9$
\textbf{198-} In a hydrogen atom, the electron transitions from level $n=1$ to level $n=3$. In this transition, the orbital radius and the electron's energy, respectively, become how many times the previous state?

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(1) $3$ and $\dfrac{1}{3}$ \hfill (2) $9$ and $\dfrac{1}{9}$ \hfill (3) $3$ and $3$ \hfill (4) $9$ and $9$

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