Calculate the wavelength emitted during the transition of an electron in between two levels of `Li^(2+)` ion whose sum is `4` and difference is `2`

Explanation

To solve the problem of calculating the wavelength emitted during the transition of an electron in the \( Li^{2+} \) ion, we can follow these steps:

### Step 1: Define the Transition Levels
Let \( N_1 \) and \( N_2 \) be the two energy levels involved in the transition, where \( N_2 > N_1 \). According to the problem, we have two equations based on the sum and difference of these levels:
1. \( N_2 + N_1 = 4 \)
2. \( N_2 - N_1 = 2 \)

### Step 2: Solve the Equations
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