A uniform film of oil (n = 1.31)is floating on water.When sunlight in air is incident normally on the film,an observer finds that the reflected light has a brightness maximum at $\lambda$ = 450 nm and a brightness minimum at $\lambda$ = 600 nm.What is the thickness of the oil film?

Question

A uniform film of oil (n = 1.31)is floating on water.When sunlight in air is incident normally on the film,an observer finds that the reflected light has a brightness maximum at

\lambda

= 450 nm and a brightness minimum at

\lambda

= 600 nm.What is the thickness of the oil film?

Quizplus · Accepted Answer

The Answer of A uniform film of oil (n = 1.31)is floating on water.When sunlight in air is incident normally on the film,an observer finds that the reflected light has a brightness maximum at $\lambda$ = 450 nm and a brightness minimum at $\lambda$ = 600 nm.What is the thickness of the oil film?

A Uniform Film of Oil (N = 1 λ\lambdaλ = 450 Nm and a Brightness Minimum At

A Uniform Film of Oil (N = 1 $\lambda$ = 450 Nm and a Brightness Minimum At