Using known values for hydrogen atom, calculate speed of electron in fourth orbit of `He^(+)`

Using known values for hydrogen atom, calculate radius of third orbit for Li^(+)

Using known volues for hydrogen atom, calculate radius of third orbit for Li^(+)

Using the known values for haydrogen atom, calculate . (a) radius of thirdj orbit for Li^(+2) . (b) speed of electron in fourth orbit for He^+ . (c ) angular momentum of electron in 3rd orbit of He^+.

Using the known values for haydrogen atom, calculate . (a) radius of thirdj orbit for Li^(+2) . (b) speed of electron in fourth orbit for He^+ . (c ) angular momentum of electron in 3rd orbit of He^+.

(a) Find the radius of Li(++) ions in its grounds state assuming Bohr's model to be valid. (b) Find the maximum angular speed of the electron of a hydrogen atom in a stationary orbit. (c ) Average lifetime of a H atom excited to n=2 state is 10^(-8) sec. Find the number of revolutions made by the electron on the average before it jumps to the ground state. (d) Calculate the magnetic dipole moment corresponding to the motion of the electron in the ground state of a hydrogen atom. (e) Using the known values for hydrogen atom, calculate : (i) radius of third orbit for Li^(+2) (ii) speed of electron in fourth orbit for He^(+)

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

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

If the speed of electron in the Bohr's first orbit of hydrogen atom be x, then the speed of electron in second orbit of He^(+1) 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