`1eV` is

1 eV is equal to :

1 eV is the energy acquried by an electron

If work function of a metal is 2 eV and light of 1 eV is incident on that surface while 1 eV energy is given by heat to that surface electron will-

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

A hydrogen atom absorbs photon of energy 12.1 eV in ground state, then the change in angular momentum will be ..... Js.

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