Find the energy difference between n=4 and n=3 levels of hydrogen and calculate the frequency of the radiaiton emitted when an electron transits between these levels. (Plank's constant `h=6.626 xx 10^(-34)Js)`.

Explanation

To find the energy difference between the n=4 and n=3 levels of hydrogen and calculate the frequency of the radiation emitted when an electron transitions between these levels, we can follow these steps:

### Step 1: Use the Energy Difference Formula
The formula for the energy difference (ΔE) between two energy levels in a hydrogen atom is given by:

\[ \Delta E = 2.2 \times 10^{-18} \left( \frac{1}{n_1^2} - \frac{1}{n_2^2} \right) \]
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