Physics 5054 · O Level · Physical quantities and measurement techniques

Physical quantities and measurement techniques — practice question

Which of the following statements 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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