Which wavelength will be emitting by a sample of atomic hydrogen gas (in ground state) if electron of energy `12.5eV` collide with the atoms of the gas?

Electrons having kinetic energy 30 eV are made to collide with atomic hydrogen gas (in ground state) and 42.5% of electron energy is used to excite the hydrogen wavelength in emission spectra are

When an electron in the hydrogen atom in ground state absorb a photon of energy 12.1eV , its angular momentum

A hydrogen atom in ground state absorbs 12.09 eV of energy . The orbital angular momentum of the electron

A hydrogen atom in ground state absorbs 12.09 eV of energy . The orbital angular momentum of the electron

An electron with kinetic energy 5eV is incident on a hydrogen atom in its ground state.The collision

An electron with kinetic energy 5eV is incident on a hydrogen atom in its ground state.The collision

A particular hydrogen like atom has its ground state Binding energy = 122.4 eV . It is in ground state. Then

An electron with kinetic energy 10 eV is incident on a hydrogen atom in its ground state. The collision

The energy of a hydrogen atom in its ground state is -13.6 eV . The energy of the level corresponding to the quantum number n=5 is

A beem of ultraviolet radius hacking wavelength between 100nm and 200nm is inclined on a sample of atomic hydrogen gos Assuming that the atoms are in ground state which wavelength will have low intensity in the transnilled been? If the energy of a photon is equal to the ground state it haslarge probobility of being observed by on atom in the ground state