When an electron jumps from a level `n = 4` to` n = 1`, the momentum of the recoiled hydrogen atom will be

When the electron jumps from a level n=4 to n=1 , momentum of the recoiled hydrogen atom will be

When electron jumps from n = 4 level to n = 1 level , the angular momentum of electron changes

In a stationary hydrogen atom, an electron jumps from n = 3 ot n =1. The recoil speed of the hydrogen atom is about

In a stationary hydrogen atom, an electron jumps from n = 3 ot n =1. The recoil speed of the hydrogen atom is about

When electron jumps from n=4 level to n=1 level,the angular momentum of electron changes by

When electron jumps from n=4 level to n=1 level,the angular momentum of electron changes by

In hydrogen atom, electron makes transition from n = 4 to n = 1 level. Recoil momentum of the H atom will be

An electron in H atom makes a transition from n = 3 to n = 1 . The recoil momentum of the H atom will be