If the critical angle for total internal reflection from a medium to vacuum is 30°, then…
Physics · JEE Main · NTA Exams — Optics
If the critical angle for total internal reflection from a medium to vacuum is 30°, then the velocity of light in the medium is
- 3 × 108 m/sec
- 1.5 × 108 m/sec
- 6 × 108 m/sec
- \(\sqrt{3} \times 0^{8} \mathrm{~m} / \mathrm{sec}\)
Answer
(B) 1.5 × 10 8 m/sec
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