Explain the origin of spectral lines of hydrogen using Bohr’s theory?

Explain various series of spectral lines of spectrum of hydrogen atom and drawn energy level diagram.

Explain the band theory of solids.

Which of the following is discreted in Bohr's theory?

Obtain an expression for energy of orbital electron in hydrogen atom using Bohr’s postulates.

State the basic postulates of Bohr’s atomic model. Find the relation for total energy of electron in nth Bohr’s stationary orbit.

Multiple or fine structure of spectral lines is due to :

Calculate the wavelength of spectral line in lyman series corresponding to n2 = 3.