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Pertain to the following statement and figure The figure above shown level diagram of the hydrogen atom. Serveral transition are market as I, II, III, … The diagram is only indicative and not to scale. Which transition will occur when a hydrogen atom is irradiated with radiation of wavelength `103 nm`?A. IB. IIIC. IVD. V |
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Answer» Correct Answer - D Wavelngth of radiation`= 103 nm = 1030 nm = 1030 Å` `Delta E = (12400)/(1030 Å) = 12.0 eV` So, difference of energy should be `12.0 eV ("apporox")` Hence `n_(1) = 1 `and `n_(2) = 3` `(-13.6) eV (-1.51) eV` Therefore transition is `V`. |
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