Physics · Ray Optics
Light travels from medium A to medium B separated by a plane interface. If the light undergoes total internal reflection during its travel from medium A to B and the speed of light in media A and B are 2.4 × 108 m/s and 2.7 × 108 m/s respectively, then the value of critical angle is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1cot-13√13
- 2sin-198
- 3tan-18√17✓
- 4cos-189
Correct answer
tan-18√17
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