Rankers Physics

Total Internal Reflection: Practice Problem & Solution

If the critical angle for total internal reflection from a medium to vacuum is 30°, the velocity of light in the medium is
\[3\times 10^{8} m/s \]
\[1.5\times 10^{8} m/s \]
\[6\times 10^{8} m/s \]
\[\sqrt{3}\times 10^{8} m/s \]

No solution provided for this question.

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1. Two transparent media A and B are separated by a plane boundary. The speed of light in those media are $1.5 \times 10^8 m/s$ and $2.0 \times 10^8 m/s$, respectively. The critical angle for a ray of light for these two media is: (2022)
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