What is meant by pair annihilation ? Write a balanced equation for the same.

Explanation

### Step-by-Step Solution:

**Step 1: Define Pair Annihilation**
Pair annihilation is a process that occurs when a particle and its antiparticle collide and annihilate each other, resulting in the conversion of their mass into energy, typically in the form of photons (gamma rays).

**Step 2: Identify the Particles Involved**
In pair annihilation, the most common example involves an electron (e⁻) and its antiparticle, the positron (e⁺).

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