Phase Change Upon Reflection
When light travels from air (n=1.00) into a thin film of oil (n=1.47) floating on water (n=1.33), which statement correctly describes the phase change at the air-oil interface?
A
A 90° phase change occurs at this interface
B
No phase change occurs at this interface
C
A 180° phase change occurs at this interface
D
The phase change depends on the angle of incidence
Question Leaderboard
Not enough data yet to show leaderboard.