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16.If 9.9 eV energy is supplied to H atom, the noof spectral lines emitted is equal to :-(4) 3 |
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Answer» If 9.9 eV energy is supplied to H atom the no. of spectral lines emitted is equal to 0. The energy difference between ground state and first excited state of electron of H atom is 13.6 − 3.4 = 10.2 e V . When energy less than this is applied, no emission occurs |
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