Question

stating bohr's postulates . Obtain an expression for the radius of first orbit of hydrogen atom​

Answer 1

2 n square .

This is the expression.

Answer 2

Explanation:

Let the electron of mass m revolves around a nucleus (H-atom) in an orbit of radius r

n

with linear velocity v

n

.

As the electron revolves in an stationary orbit, thus centrifugal force acting on the electron is balanced by the coulombic force