In the Rydberg equation, a spectral line corresponds to `n_1 = 3 and n_2 = 5`.
(i) Calculate the wavelength and frequency of this spectral line.
(ii) To which spectral series does this line belong?
(iii) In which region of the electromagnetic spectrum, will this line fall ?

Explanation

To solve the question step by step, we will follow the instructions given in the video transcript and apply the Rydberg equation.

### Step 1: Use the Rydberg Equation
The Rydberg equation is given by:

\[ \frac{1}{\lambda} = R \left( \frac{1}{n_1^2} - \frac{1}{n_2^2} \right) \]
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