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  • T is the time period of electron in the 2nd orbit of  ion. What will be the time period fo

T is the time period of electron in the 2nd orbit of \mathrm{He^{+}} ion. What will be the time period for the 3rd orbit of Li2+ ion.

Option: 1

\mathrm{2T}


Option: 2

\mathrm{5T}


Option: 3

\mathrm{\frac{2}{3}T}


Option: 4

\mathrm{\frac{3}{2}T}


Answers (1)

best_answer

\mathrm{\begin{gathered} \Rightarrow \mathrm{He}^{+} z_1=2 \\ \end{gathered}}

       \mathrm{n_1=2}

       \mathrm{T=T_{\perp}}

\mathrm{\Rightarrow Li^{2+} \quad z_2=3}

       \mathrm{n_{2}=3}

        \mathrm{T_{2}=?}

         \mathrm{\frac{T_1}{T_2}=\frac{n_1^3}{n_2^3} \times \frac{z_2^2}{z_1^2}}

          \mathrm{\frac{T}{T_2}=\frac{2}{3} \times \frac{1}{1}}\Rightarrow \mathrm{T_2=\frac{3}{2} T}

Option (4) is the right answer.

Posted by

Pankaj Sanodiya

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