When an electron in hydrogen atom is taken from fourth excited state to ground state

If an electron of hydrogen atom moves from fourth excited state to ground state in Lyman series find the total number of spectral lines?

If an electron of hydrogen atom moves from fourth excited state to ground state in Lyman series find the total number of spectral lines?

An electron in a hydrogen atom makes a transition from first excited state to ground state . The equivelent currect due to circulating electron :

When an electron in hydrogen atom is raised from the ground state to an excited state its

An electron in a hydrogen in a hydrogen atom makes a transition from first excited state to ground state. The equivelent current due to circulating electron

An electron in a hydrogen in a hydrogen atom makes a transition from first excited state to ground state. The equivelent current due to circulating electron

The electron in a hydrogen atom makes a transition from an excited state to the ground state. Which of the following statements is true?