Physics · Ray Optics and Optical Instruments
Two light rays A and B travel from a medium into air at angles of incidence 15° and 42° respectively. In the medium, light travels 3 cm in 0.2 ns. Will total internal reflection occur, and if so, for which ray?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Yes, total internal reflection occurs for both rays A and B.
- 2Yes, total internal reflection occurs for ray B only.✓
- 3Yes, total internal reflection occurs for ray A only.
- 4No, total internal reflection will not occur for either ray.
Correct answer
Yes, total internal reflection occurs for ray B only.
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