The `K_beta` X-ray of argon has a wavelength of 0.36 nm. The minimum energy needed to ironize an argon atom is 16 eV. Find the energy needed to knock out an electron from the K shell of an argon atom.

The K_beta X-ray of argon has a wavelength of 0.36 nm. The minimum energy needed to ionize an argon atom is 16 eV. Find the energy needed to knock out an electron from the K shell of an argon atom.

The K_beta X-ray of argon has a wavelength of 0.36 nm. The minimum energy needed to ionize an argon atom is 16 eV. Find the energy needed to knock out an electron from the K shell of an argon atom.

The excitation energy of first excited state of a hydrogen like atom is 40.8 eV . Find the energy needed to remove the electron to form the ion.

An energy of 13.6 eV is needed to ionise a hydrogen atom. How much energy is to be supplied to the atom to liberate an electron from its n=2 state ?

If E_(e) is the energy needed to remove an electron from atom and E_(n) be energy needed remove a nucleion, then:

Why a large amount of energy is needed to remove an electron from a neutral gaseous neon atom than the energy needed to remove an electron from gaseous sodium atom?

The ground state energy of hydrogen atom is 13.6 eV. The energy needed to ionize H_(2) atom from its second excited state.

Ground state energy of H-atom is -13.6 eV. The energy needed to ionise H-atom from its second excited state is

Ground state energy of H-atom is -13.6 eV. The energy needed to ionise H-atom from its second excited state is

The K_(alpha) X-ray of molybdenum has wavelength 0.071 nm. If the energy of a molybdenum atoms with a K electron knocked out is 27.5 keV, the energy of this atom when an L electron is knocked out will be ____________ keV. (Round off to the nearest integer) ["h"=4.14xx10^(-15)" eVs",c=3xx10^(8)" ms"^(-1)]