The ratio between the electron velocities in the second and in the third orbits of a hydrogen atom is

The ratio between the electron revolution fraquencies in the first and in the second orbits of an hydrogen atom is

The ratio between the radii of the fourth and the second electron orbits of a hydrogen atom is

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

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

Velocity of an electron in the Iind stationary orbit of hydrogen atom is

Velocity of an electron in the Iind stationary orbit of hydrogen atom is

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.

Find the energy of the electrons in eV in the third Bohr orbit of the hydrogen atom.