Calculate the speed of light in a medium whose critical angle is `30^(@)`.

Explanation

To calculate the speed of light in a medium whose critical angle is given as \(30^\circ\), we can follow these steps:

### Step 1: Understand the relationship between refractive index and critical angle
The refractive index (\(\mu\)) of a medium can be related to the critical angle (\(C\)) using the formula:
\[ \mu = \frac{1}{\sin C} \]

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