Product of velocity and time period of electron orbiting in nth stable orbit is proportional to

Find the ratio of product of velocity and time period of electron orbiting in 2nd and 3nd stable orbits.

Find the ratio of product of velocity and time period of electron orbiting in 2nd and 3rd stable orbits.

What would be the ratio of product of velocity and time period of electron orbiting in 2^"nd" and 3^"rd" stable orbits ?

What would be the ratio of product of velocity and time period of electron orbiting in 2^"nd" and 3^"rd" stable orbits ?

What would be the ratio of product of speed and time period of electron orbiting 3^("rd") and 4^("th") stable orbit in Bohr's atomic model?

In Bohr's model of hydrogen atom, the period of revolution of the electron in any orbit is proportional to

Linear momentum of electron in nth orbit is

To which of the following the angular velocity of the electron in the n-th Bohr orbit is proportional ?

Ratio of time period of electron in first and second orbit of H-atom would be -