Physics · May / June 2018 · Paper 11 · Question 23
Which statement is correct?
- ATotal internal reflection only occurs when light travels from air into glass.
- BThe larger the refractive index of glass, the larger is the critical angle.
- CWhen total internal reflection occurs, the angle of incidence is equal to the angle of reflection.
- DWhen total internal reflection occurs, the angle of incidence is less than the critical angle.
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Correct answer: C. When total internal reflection occurs, the angle of incidence is equal to the angle of reflection.
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