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| 1. |
Energy levels A, B and C of a certain atoms correspond to increasing values of energy, i.e. `E_(A)lt E_(B)ltE_(c)`. If `lambda_(1),lambda_(2), lambda_(3)` are the wavelengths of radiation corresponding to the transitions `C rarr B`, `B rarrA` and `C rarr A` respectively, then :A. `lambda_(1)=lambda_(2)=lambda_(3)`B. `lambda_(3)=(lambda_(1)lambda_(2))/(lambda_(1)+lambda_(2))`C. `lambda_(3)^(2)=lambda_(1)^(2)+lambda_(2)^(2)`D. none of these |
| Answer» `E_(CB)+E_(BA)=E_(CA)rArr(1)/(lambda_(1))+(1)/(lambda_(2))=(1)/(lambda_(3))` | |