PhysicsEasy183×since 2002Q6013Hydrogen atom from excited state comes to the ground state by emitting a photon of wavelength λ\lambdaλ. The value of principal quantum number 'nnn' of the excited state will be : (R:\mathrm{R}:R: Rydberg constant)AλRλ−1\sqrt{\frac{\lambda \mathrm{R}}{\lambda-1}}λ−1λRBλRλR−1\sqrt{\frac{\lambda \mathrm{R}}{\lambda \mathrm{R}-1}}λR−1λRCλλR−1\sqrt{\frac{\lambda}{\lambda \mathrm{R}-1}}λR−1λDλR2λR−1\sqrt{\frac{\lambda R^{2}}{\lambda R-1}}λR−1λR2Check answerSkip