If an electron drop from `4th` orbit to `2nd` orbit in an H-atom, then

If an electron drops from 4th orbit to 2nd orbit in an H-atom, then

If an electron drops from 4th orbit to 2nd orbit in an H-atom, then

When an electron falls from 4th orbit to 2nd orbit in hydrogen atom, the spectral line is observed in

Calculate the frequency nad wave length of the energy emitted when the electron jumps from 4th orbit to 1st orbit of a H-atom.

The number of spectral lines produced when an electron jumps from 5^(th) orbit to 2^(nd) orbit in the hydrogen atom is.

The number of spectral lines produced when an electron jumps from 5^(th) orbit to 2^(nd) orbit in the hydrogen atom is.

What will be the wavelength of radiation released in nano-metre when an electron drops from the 5th Bohr orbit to 2nd Bohr orbit in hydrogen atom?

What will be the wavelength of radiation released in nano-metre when an electron drops from the 5th Bohr orbit to 2nd Bohr orbit in hydrogen atom?

The wavelength of radiation emitted is lamda_0 when an electron in a hydrogen atom jumps from 3rd to 2nd orbit . If the same hydrogen atom , the electron jumps from 4th orbit to 2nd orbit , then the wavelength of the emitted radiation will be

Change in angular momentum of an electron when it jumps from 4th orbit to 5th orbit in Hydrogen atom is