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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2011
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Q)
Energy required for the electron excitation in $Li^{++}$ from the first to the third Bohr orbit is :
( A ) 36.3 eV
( B ) 122.4 eV
( C ) 12.1 eV
( D ) 108.8 eV
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