Find the angular speed of the electron in the first orbit of hydrogen atom.

The angular speed of the electron in the nth Bohr orbit of the hydrogen atom is proportional to

Find the velocity of the electron in the first orbit in hydrogen atom. Hence, find velocities when electron is in 3rd and 5th orbit.

The energy of an electron in the 1st Bohr orbit of hydrogen atom is

Starting from the formula for energy of an electron in the nth orbit of hydrogen atom, derive the formula for the wavelength of spectral lines.

Find the velocity of the electron in the ground state of hydrogen atom.Hence find the velocities when the electron is in the second and fourth orbit.(Radius of the first Bohr orbit = 0.53xx10^-10m , mass of electron= 9.1xx10^-31 kg )

Find the period of revolution of electron in the second orbit in the hydrogen atom and hence find period of revolution of the electron in the third orbit of hydrogen atom. epsilon_0 = 8.85 xx 10^-12 C^2// Nm^2, h=6.63 xx^-34 J-s, m=9.xx10^-31 kg, e =1.6 xx 10^-19 C .

Angular speed of the electron in the 1st Bohr orbit is 4.08 xx10^16 rad//sec . Find the angular speed of the electron in the 3rd orbit.

Find the energy of the electron in eV in the third Bohr orbit of the hydrogen atom. ( Rydberg's constant R = 1.097 xx10^7 m^-1 Planck's constant (h) = 6.63xx10^-34 J.S , velocity of light in air (c) = 3xx 10^8 m//s)

The angular momentum of the electron in the second Bohr orbit is 2.112 xx 10^-34 kg m^2//s . Find the angular momentum of the electron in the third Bohr orbit.

The total energy of an electron in the first excited state of the hydrogen atom is about -3.4eV . What is the potential energy of the electron in this state?