Explain the origin of spectral lines in the case of hydrogen atom

Explain the origin of friction.

Explain the different series of spectral lines in hydrogen atom.

Find the shortest and longest wavelength of spectral line in the Balmer series of the hydrogen atom.

Explain the origin of diamagnetism.

Obtain expression for longest and shortest wavelength of spectral lines in ultraviolent region for hydrgen atom.

Explain the working of an atomizer.

Explain origin of paramagnetism on the basis of its atomic structure.

Calculate the wavelength of the first three lines in Paschen series of hydrogen atom.

Calculate the wavelengths of the first three lines in Paschen series of hydrogen atom.