When a ray of light enters from one medium to another, then its velocity in second medium…
Physics · JEE Main · NTA Exams — Optics
When a ray of light enters from one medium to another, then its velocity in second medium becomes double. The maximum value of angle of incidence, so that total internal reflection may not take place will be
- \(60^{\circ}\)
- \(180^{\circ}\)
- \(90^{\circ}\)
- \(30^{\circ}\)
Answer
(D) 30^
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