Light strikes a sodium surface, causing photoelectric emission. The stopping potential for the ejected electrons is 5.0 V, and the work function of sodium is 2.2 eV. What is the wavelength of the incident light?

Explanation

To solve the problem, we need to use the principles of the photoelectric effect and the relevant equations. Here’s a step-by-step solution:

### Step 1: Understand the Given Information
We have:
- Stopping potential (V₀) = 5.0 V
- Work function (φ) of sodium = 2.2 eV

### Step 2: Use the Photoelectric Equation
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