Physics · Ray Optics and Optical Instruments
During the total internal reflection of light at a glass-to-air interface, where a ray ON in glass is incident at angle ∠AON and reflects back along OB, which of the following statements is NOT correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The angle of incidence equals the angle of reflection (∠AON = ∠BON)
- 2If ∠AON were increased, total internal reflection would still occur
- 3The speed of light in glass is greater than the speed of light in air✓
- 4∠AON is greater than or equal to the critical angle
Correct answer
The speed of light in glass is greater than the speed of light in air
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