The energy of hydrogen atom in its \( \mathrm{n}^{\text {th }} \) o...

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The energy of hydrogen atom in its \( \mathrm{n}^{\text {th }} \) orbit is
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\( E_{n}=-\left(\frac{13.6}{n^{2}}\right) \mathrm{eV} \). The energy required for sending
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electron from 1 st orbit to \( 2^{\text {nd }} \) orbit will be:
(1) \( 10.2 \mathrm{eV} \)
(2) \( 13.6 \mathrm{eV} \)
(3) \( 12.1 \mathrm{eV} \)
(4) \( 3.4 \mathrm{eV} \)
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