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What is the shortest wavelength in Bracket series of `He^(+)` spectrum ?A. `(100)/(9R_(H))`B. `(16)/(R_(H))`C. `(25)/(R_(H))`D. `(9)/(R_(H))` |
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Answer» Correct Answer - B Shortest wavelength of Bracket series is correspond to `oo rarr 4` transition `n_(1) = 4, n_(2) = oo` `(1)/(lambda_("min")) = R_(H) xx 2^(2) ((1)/(4^(2)) - (1)/(oo^(2))) rArr lambda_("min") = (4)/(R_(H))` |
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