O-LevelPhysicsLight5054/12 · Oct/Nov 2018 · Q251 Mark
A student reads the following in her physics book. 'The incident angle is greater than 42° which is the critical angle for glass in air.' What is the student reading about?
Afocal length of a glass lens
Breflection in a plane mirror
Crefraction as light enters glass
Dtotal internal reflection
✓ Correct answer
D: total internal reflection
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Light and see which topics are most likely to come up next.
Sign up free →