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What are photoelectrons ?...

What are photoelectrons ?

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**Step-by-Step Solution:** 1. **Definition of Photoelectrons:** - Photoelectrons are electrons that are emitted from a material (usually a metal) when it is exposed to electromagnetic radiation, such as light. This phenomenon is a key aspect of the photoelectric effect, which was explained by Albert Einstein. 2. **Understanding the Photoelectric Effect:** - The photoelectric effect occurs when light (or other forms of electromagnetic radiation) strikes the surface of a metal. If the energy of the incoming photons (light particles) is sufficient, it can overcome the work function of the metal, which is the minimum energy required to remove an electron from the surface. ...
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