Questions
The minimum and maximum values of wavelength in the Lyman series of a H atom are, respectively
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Correct option is B
For lyman series,
Maximum wavelength implies minimum transition energy which is for n2 =2→n1 =1,E=10.4eV.
Minimum wavelength implies maximum transition energy which is for n2 =∞→n1 =1,E=13.6eV.
Therefore,
λmax =hc/E min =121nm,
λ min =hc/E max =91nm.
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