The linear momentum of an electron in a Bohr orbit of an H-atom (principal quantum number n) is proportional to

The angular momenta of the electron in successive Bohr orbits differ by

The angular momentum of the electron in the second Bohr orbit of hydrogen atom is $ll$. Its angular momentum in the third Bohr orbit is

The time taken by an electron moving with a speed of $2.18\times 10^{6}m\mathrm{/}s2.18\; \backslash times\; 10^6\; \backslash \; m/s$ to complete one revolution in the first orbit (radius 0.53 $\mathring{A}\backslash mathring\; A$) of hydrogen atom is

If the electron in a hydrogen atom is raised to one of its excited energy states, the electron’s

The potential energy of the electron in a hydrogen atom in its ground state is

The kinetic energy of the orbital electron in a hydrogen atom in the excited state corresponding to n = 2 is

The ratio of the kinetic energy of an electron in a Bohr orbit to its total energy in the same orbit is

The energy of an electron in the nth Bohr orbit is proportional to

The radius of the first Bohr orbit is 0.53 Å and that of nth orbit is 212 Å. The value of n is