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JEEMAIN and NEET
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Chemistry
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Atomic Structure
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In a hydrogen atom,if energy of an electron in ground state is -13.6eV,then that in the $2^{nd}$ excited state is :
$(a)\;-1.51eV\qquad(b)\;-3.4eV\qquad(c)\;-6.04eV\qquad(d)\;-13.6eV$
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