Obtain an expression for the rates of de- Broglie wavelengths associated with the electron orbiting in the second and third excited state of hydrogen atom.

The de Broglie wavelength associated with particle is

de-Broglie wavelength associated with an electron revolving in the n^(th) state of hydrogen atom is directily proportional to

Calculate the orbital period of the electron in the first excited state of hydrogen atom.

Find out the wavelength of the electron orbiting in the ground state of hydrogen atoms.

The de-Broglie wavelength (lambda_(B)) associated with the electron orbiting in the second excited state of hydrogen atom is related to that in the ground state (lambda_(G)) by :

Calculate the de-Brogile wavelength of the elctron orbiting in the n=2 state of hydrogen atom.

The De-Broglie wave length of electron in second exited state of hydrogen atom is

what is the ratio of de-Broglie wavelength of electron in the second and third Bohr orbits in the hydrogen atoms?

The de Broglie wavelength of an electron in the 3rd Bohr orbit is

(a) Using Bohr's second postulate of quantization of orbital angular momentum show that the circumference of the electron in the n^(th) orbital state in hydrogen atom is n times the de-Broglie wavelength associated with it. (b) The electron in hydrogen atom is initially in the third excited state. What is the maximum number of spectral lines which can be emitted which it finally moves to the ground state ?