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

The energy of an electron in nth orbit of hydrogen atom is

On the basis of Bohr’s theory, derive an expression for binding the energy of an electron in a hydrogen atom.

Obtain an expression for the frequency of radiation emitted when a hydrogen atom de-excites form n to n-1 ,show that this frequency equals the classical frequency of revolution of the electron in the orbit.

Write the postulates of Bohr’s atomic model and find an expression for the total energy of an electron in the nth orbit of an atom.

State Bohr’s postulates for atomic modeland using them derive an expression for the radius of nth orbit in hydrogen atom and show that radii are in the ratio 1 : 4 : 9 :16 :..........

Fill ups: The total energy possessed by an electron in hydrogen atom in ground state is……………. .

State Bohr’s postulates for atomic model and using them derive an expression forthe total energy of an electron revolving in a stationary nth orbit of hydrogen atom.

Write down the expression for the radii of orbits of hydrogen atom.Calculate the radius of the smallest orbit.