Page 1 of 1

White light strikes a soap film (n = 1.37) at normal incidence. The soap film is surrounded by air. The reflected ligh

Posted: Mon May 09, 2022 7:00 pm
by answerhappygod
White light strikes a soap film (n = 1.37) at normal
incidence. The soap film is surrounded by air. The
reflected light looks bluish (476 nm) because the red
light (646 nm) is absent in the reflection. What is
the minimum thickness of the soap film? Please give your answer in
nm.