Monochromatic light ($\lambda$ = 500 nm)is incident on a soap bubble (n = 1.4)that is 50 mm thick.What is the change of phase of the light reflected from the front surface?
A)0
B)180$\degree$
C)$\lambda$/2
D) $\pi$/2
E)55$\degree$

Question

Quizplus · Accepted Answer

When light reflects off a medium with a higher refractive index than the one it came from, it undergoes a phase change of 180 degrees.

Monochromatic Light λ\lambdaλ = 500 Nm)is Incident on a Soap Bubble (N =

Monochromatic Light $\lambda$ = 500 Nm)is Incident on a Soap Bubble (N =