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State Brewster.s law....

State Brewster.s law.

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### Step-by-Step Text Solution: 1. **Understanding Brewster's Law**: Brewster's Law describes the relationship between the angle of incidence and the polarization of light. It states that when unpolarized light strikes a transparent surface, there is a specific angle at which the reflected light is completely polarized. 2. **Defining the Polarizing Angle**: This specific angle of incidence is known as the Brewster's angle (denoted as \( I_P \)). At this angle, the reflected light is completely plane polarized. 3. **Mathematical Expression**: Brewster's Law can be mathematically expressed as: \[ ...
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