Physics · Ray Optics
When light travels from an optically rarer medium (1) to an optically denser medium (2), the relative refractive index n21 (refractive index of medium 2 with respect to medium 1) is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1undeterminable without the absolute velocities
- 2equal to 1
- 3less than 1
- 4greater than 1✓
Correct answer
greater than 1
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