consider the Bohr’s model of a one-electron atom whre the elctron moves around the…

Chemistry · JEE Advanced · NTA ExamsAtomic Structure

consider the Bohr’s model of a one-electron atom whre the elctron moves around the nuceus. In the following List-I contains some quantities for the nth orbit of the atom and List-II contains options showing how they depend on n.
\[\begin{array}{lll} & \text { List-I } & \text { List-II } \\ \text { (I) } \text { Radius of the } \mathrm{n}^{\text {th }} \text { orbit } & \text { (P) } \propto \mathrm{n}^{-2} \\ \text { (II) } \text { Angular momentum of } & \text { (Q) } \propto \mathrm{n}^{-1} \\ \text { the electron in the } \mathrm{n}^{\text {th }} \text { orbit } & \\ \text { (III) } \begin{array}{l} \text { Kinetic energy of the } \\ \text { electron in the } \mathrm{n}^{\text {th }} \text { orbit } \end{array} & \text { (R) } \propto \mathrm{n}^{0} \\ \text { (IV) Potential energy of the } & \text { (S) } \propto \mathrm{n}^{1} \\ \text { electron in the } \mathrm{n}^{\text {th }} \text { orbit } & \text { (T) } \propto \mathrm{n}^{2} \\ & \text { (U) } \propto \mathrm{n}^{1 / 2} \end{array}\]
Which of thle following has the correct combination considering List-I and List-II? (2019)
  1. (II), (R)
  2. (II), (Q)
  3. (I), (P)
  4. (I), (T)

Answer

(C) (I), (P)

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