State Bohr’s postulates for atomic model and derive an expression for radius of the electron in an orbit.

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 :..........

State the postulates of Bohr’s atomic model.

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.

State Bohr’s postulates for hydrogen atom.

Write the postulates of Bohr’s atomic model.

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.