When an electron jumps from nth orbit to 1st orbit in an imaginary atom obeying Bohr’s model, it emi

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When an electron jumps from nth orbit to 1st orbit in an imaginary atom obeying Bohr’s model, it emits two radiations of wavelengths 400 nm and 300 nm. The frequency of radiation emitted out in the transition n = n to n = 1 will be

Accepted Answer

$\upsilon = \frac{c}{\lambda} = c\left( \frac{1}{\lambda_{1}} + \frac{1}{\lambda_{2}} ight) = 3 	imes 10^{8}\left( \frac{1}{400 	imes 10^{- 9}} + \frac{1}{300 	imes 10^{- 9}} ight) = 1.75 	imes 10^{5}	ext{ Hz}$

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