Question

# The frequency of radiation emitted when the electron falls from $$n=4$$ to $$n=1$$ in a hydrogen atom will be (given ionization energy of $$H=2.18\times 10^{-18} J\ atom^{1}$$ and $$h=6.625\times 10^{-34}\ J\ s$$

A
1.54×1015s1
B
1.03×1015s1
C
3.08×1015s1
D
2.00×1015s1

Solution

## The correct option is C $$3.08\times 10^{15}s^{-1}$$Hence, Option "C" is the correct answer.ChemistryNCERTStandard XII

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