The energy of separation of an electron in a Hydrogen like atom in excited state is 3.4 eV. The de-Broglie wavelength (in ÅK) associated with the electron is: (Given radius of first orbit of H-atom is 0.53 Å)

Options

A. 3.33
B. 6.66
C. 13.31
D. None of these

Answer

B