Recent content by TwoEyedHuman

That is where I get confused.

My apologies. http://apcentral.collegeboard.com/apc/public/repository/ap10_frq_physics_b.pdf

http://apcentral.collegeboard.com/apc/public/repository/ap10_physics_b_scoring_guidelines.pdf Question 5

1. Calculate the minimum thickness of the film for which the intensity of the reflected red ray is near zero. (This is AP Physics B 2010 (c)ii.) I found the wavelength in the film to be 4.81x10-7 m nf=1.382. 2L=mλ (destructive interference) The Attempt at a Solution My first attempt yielded a...