Question

If the total energy of an electron in a hydrogen like atom in an excited state is -3.4eV then the debroglie wavelength of the electron is; (a)6.6×10−10(b)3×10−10(c)5×10−9(d)9.3×10−12

Answer 1

wavelength of the electron is; (a)6.6×10−10

Answer 2

wavelength of the electron is; (a)6.6×10−10