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For certain atom, there are energy levels A,B,C corresponding to energy values $E_{A} < E_{B} < E_{c}$ . Choose the correct option if $λ_{1}, λ_{2}, λ_{3}$ are the wavelength of radiations corresponding to the transition from C to B,B to A and C to A respectively:

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$λ_{3} = λ_{1} + λ_{2}$

$λ_{1} + λ_{2} + λ_{3} = 0$

$3 λ_{2} = λ_{3} + 2 λ_{3}$

$λ_{3} = \frac{λ_{1} λ_{2}}{λ_{1} + λ_{2}}$

answer is B.

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Detailed Solution

$\frac{1}{λ_{3}} = \frac{1}{λ_{1}} = \frac{1}{λ_{2}} \Rightarrow λ_{3} = ?$

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