state bohr's postulate regarding angular momentum of orbiting electron.

Angular momentum L is given by ?

The orbital angular momentum of an electron in 2s-orbital is:

If E_n and L_n represent respectively the total energy and angular momentum of the electron in the nth orbit of hydrogen atom, then

State law of conservation of angular momentum ?

The dimension formula for angular momentum is

The orbital angular momentum of an electron in the 5th Bohr orbit is