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

Explanation

To find the ratio of the product of velocity and time period of an electron orbiting in the 2nd and 3rd stable orbits, we can follow these steps:

### Step 1: Understand the formulas for velocity and time period
- The velocity of the electron in the nth orbit is given by:
\[ V_n = \frac{Z}{nK} \]
where \( Z \) is the atomic number (for hydrogen, \( Z = 1 \)), \( n \) is the principal quantum number, and \( K \) is a constant.
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