Physics
The table below gives refractive inidices of some substances with respect to air.
| Substance | Refractive Index (μ) |
|---|---|
| Water | 1.33 |
| Turpentine | 1.47 |
| Glass | 1.58 |
| Diamond | 2.41 |
(a) Which medium will have the lowest critical angle and which will have highest critical angle with respect to air.
(b) If the temperature of all the substances is raised by 30o C, what will happen to their critical angle?
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