The wavelength of radiation emitted...
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The wavelength of radiation emitted, when in Het electron falls from infinity to stationary state would be (R = 1.097 x 107 m-1)

NEET/Medical Exams
Chemistry
Solution
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( frac{1}{lambda}=R cdotleft(frac{1}{left(n_{i}right)^{2}}-frac{1}{left(n_{f}right)^{2}}right) ) ( R cdotleft(frac{1}{infty}-frac{1}{(1,2)}right) ) ( lambda rightarrow frac{1}{R}=frac{1}{1097 times 10^{-7}} ) ( =9.1 times 10^{-8} mathrm{m} ) ( lambda=91 n mathrm{m} )
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