Why is electron revolving round nucleus of an atom ?

where are the electrons revolving around the nucleus placed ?

The ratio of centripetal forces on two clectrons which are revolving around nucleus of hydrogen alom in 2^nd and 3^rd orbits respectively is

Obtain an expression for orbital magnetic moment of an electron rotating about the nucleus in an atom

Rewrite the sentence after filling the blank: Electrons revolve around the nucleus in paths called-----

An electron in an atom revolving round the nucleus in a circular orbit of radius 5.3 xx 10^-11 m with a speed of 2xx10^6 frac(cm)(s) . Find the resultant orbital magnetic moment and angularmomentum of electron. (Charge on electron e =1.6xx10^-19C , mass of electron m = 9.1 xx 10-31 kg )

In a hydrogen atom the electron revolves round the nucleus 6.8 xx 10^15 times per second in an orbit of radius 0.53 overset (@)(A) .Determine its equivalent magnetic moment.(e = 1.6 xx 10^-19 C )

In Bohr's model if hydrogen atom, the electron circulates around nucleus in a path of radius 0.5overset@A at a frequency of 6.8 xx 10^15 rev//s . The magnetic field at the centre will be

An electron revolves round the nucleus with the radius of the circular orbit being 'r'. To double the kinetic energy of the electron its orbital radius will be

The orbital speed of an electron orbiting around the nucleus in a circular orbit of radius r is v. Then the magnetic dipole moment of the electron will be