An excited hydrogen atom returns to the ground state . The wavelength of emittted photon is ` lambda` The principal quantium number fo the excited state will be :

Hydrogen atom from excited state comes to the ground state by emitting a photon of wavelength lamda . If R is the Rydberg constant the principal quantum a number n of the excited state is

When a hydrogen atom is raised from the ground state to an excited state

when a hydrogen atom is raised from the ground state to an excited state

when a hydrogen atom is raised from the ground state to an excited state

when a hydrogen atom is raised from the ground state to an excited state

When a hydrogen atom is raised from the ground state to an excited state

When a hydrogen atom is raised from the ground state to an excited state

When a hydrogen atom is raised from the ground state to an excited state