State the Law of Malus.

Explanation

**Step-by-Step Text Solution:**

1. **Understanding Polarized Light**:
- Polarized light is light that oscillates in a single plane. When light is polarized, it can be analyzed using specific devices called polarizers.

2. **Introduction to Malus's Law**:
- Malus's Law describes how the intensity of polarized light changes as it passes through a polarizer (analyzer) at an angle to the light's polarization direction.

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