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The velocity (in terms of x) of electron in Bohr’s 3rd orbit of hydrogen is x, then velocity in Bohr’s first orbit of Li2+ is:

Option: 1

0.33


Option: 2

3


Option: 3

1


Option: 4

9


Answers (1)

best_answer

As we learnt

 \mathrm{v\propto \frac{Z}{n}}

\mathrm{\frac{v_{2}}{v_{1}} = \left ( \frac{Z_{2}}{Z_{1}} \right ) . \left ( \frac{n_{1}}{n_{2}} \right ) = \frac{3}{1}. \frac{3}{1}}

\mathrm{\frac{v_{2}}{x} = 9}

\mathrm{v_{2} = 9x}

 

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SANGALDEEP SINGH

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