Physics for IGCSE & O level - Rays And Waves (Section 6 - No. 34)
Which of these is a property of total internal reflection?
Light passes into a denser medium.
Light is totally reflected back into a less dense medium.
Light is refracted at a specific angle.
The angle of incidence is less than the critical angle.
Explication
Total internal reflection occurs when light is totally reflected back into the less dense medium.