The ratio of velocity of the electron in the third and fifth orbit of \( \mathrm{Li}^{2+} \) wou...

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The ratio of velocity of the electron in the third and fifth orbit of \( \mathrm{Li}^{2+} \) would be:
(1) \( 3: 5 \)
(2) \( 5: 3 \)
(3) \( 25: 9 \)
(4) \( 9: 25 \)
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