[" (c) The cnergy of the clectron in the "3d" orbital is less than "],[" that in the "4s" orbital of a hydrogen atom."]

The energy of the electron in the 3d orbital is less than that in the 4s orbital in the hydrogen atom

The energy of electron in 3rd orbit of hydrogen atom is:

The speed of an electron in the 4^"th" orbit of hydrogen atom is

The speed of an electron in the 4^"th" orbit of hydrogen atom is

The speed of an electron in the 4^"th" orbit of hydrogen atom is

a. Calculate the radius of Bohr's first orbit for hydrogen atom and the energy of electron in this orbit . b. Calculate the Bohr's radius for the fifth orbit of the hydrogen atom

The wavelength of the electron in the first orbit of the Hydrogen atom is x. The wave length of the electron in the third orbit and the circumference of the third orbit of the Hydrogen atom are respectively

calculate the angular momentum of the electron in third orbit of hydrogen atom,if the angular momentum in the second orbit of hydrogen atom is L.