question_answer

The ground state energy of hydrogen atom is -13.6 eV. If an electron makes a transition from an energy level - 0.85 eV to -1.51 eV, calculate the wavelength X of the spectral line emitted.

A)  \[1.88\times {{10}^{-6}}m\]

B)  \[1.87\times {{10}^{-10}}m\]

C)  \[1.66\times {{10}^{-9}}m\]    

D)  \[2.36\times {{10}^{-9}}m\]