Light reflected from the surface of glass plate of refractive index `1.57` is linearly polarised. Calculate the angle of refraction in glass.
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To solve the problem of finding the angle of refraction in glass when light is reflected from its surface and is linearly polarized, we can follow these steps:
### Step-by-Step Solution:
1. **Understanding Brewster's Law**:
When light is reflected off a surface at a specific angle (known as Brewster's angle), the reflected light is linearly polarized. Brewster's angle (θ_B) is given by the formula:
\[
\tan(\theta_B) = n
...
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