Question: A glass lens, Nglass = 1 . 5 2 , has a 1 4 3 nm thick antireflective film coating one side, naim = 1

A glass lens, Nglass =1.52, has a 143 nm thick antireflective film coating one side, naim =1.25. White light, moving through
air, is perpendicularly incident on the coated side of the lens.
Assume that nair =1.00.
What is the largest wavelength largest of the reflected light that is totally removed by the coating?

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