List of top Physics Questions on Atoms asked in TS EAMCET

If the potential energy of an electron in an orbit of hydrogen atom is $-6.80$ eV, then the energy required to ionize the atom is

The maximum wavelength of incident radiation required to ionize a hydrogen atom in its ground state is nearly

The potential energy of an electron in an orbit of hydrogen atom is -6.8 eV. The de Broglie wavelength of the electron in this orbit is ($r_0$ is Bohr radius)

The ratio of wavelengths of second line in Balmer series and the first line in Lyman series of hydrogen atom is