Change the chapter
Question
Find the minimum thickness of a soap bubble that appears red when illuminated by white light perpendicular to its surface. Take the wavelength to be 680 nm, and assume the same index of refraction as water.
Question by OpenStax is licensed under CC BY 4.0.
Final Answer
$128 \textrm{ nm}$
Solution Video

OpenStax College Physics Solution, Chapter 27, Problem 73 (Problems & Exercises) (5:35)

Sign up to view this solution video!

View sample solution

Calculator Screenshots

OpenStax College Physics, Chapter 27, Problem 73 (PE) calculator screenshot 1