JEE Main2017PhysicsAtomic PhysicsActual
Some energy levels of a molecule are shown in the figure. The ratio of the wavelengths r = λ 1 λ 2 , is given by:
Options
- Ar = 1 3
- Br = 4 3
- Cr = 2 3
- Dr = 3 4
Correct answer
A. r = 1 3
Step-by-step solution
The relation between wave length and energy of electron in n t h orbit λ 1 = - h c E λ 2 = - 3 h c E λ 1 λ 2 = 1 3