Unpolarized light is incident on a plane glass surface. What should be the angle of incidence so that the reflected and refracted rays are perpendicular to eachother ?
Text Solution
AI Generated Solution
To solve the problem of finding the angle of incidence at which the reflected and refracted rays are perpendicular to each other when unpolarized light strikes a plane glass surface, we can follow these steps:
### Step 1: Understand the Condition
We need to find the angle of incidence (denoted as \( i \)) such that the reflected ray and the refracted ray are perpendicular to each other. This means that the angle between the reflected ray and the refracted ray is \( 90^\circ \).
### Step 2: Use the Relationship Between Angles
According to the law of reflection, the angle of reflection \( r \) is equal to the angle of incidence \( i \):
\[
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