बोहर सिद्धान्त के अनुसार, \( \mathrm{L}^{2+} \) आयन की \( \mathrm{n}=2 \) अवस्था से इलेक्ट्रॉन क...

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बोहर सिद्धान्त के अनुसार, \( \mathrm{L}^{2+} \) आयन की \( \mathrm{n}=2 \) अवस्था से इलेक्ट्रॉन के निर्गत् होने के लिए आवश्यक ऊर्जा कितनी है? ( मुक्त अवस्था में हाइड्रोजन परमाणु की आयनन ऊर्जा \( 13.6 \mathrm{eV} \) है।)
(A) \( 61.2 \mathrm{eV} \)
(B) \( 13.6 \mathrm{eV} \)
(C) \( 30.6 \mathrm{eV} \)
(D) \( 10.2 \mathrm{eV} \)
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