Thin Films: A 360-nm thick oil film floats on the surface of a pool of water water. The indices of refraction of the oil and the water are 1.5 and 1.33, respectively. When the surface of the oil is illuminated from above at normal incidence with white light, what are the two wavelengths of light between 400 nm to 800 nm wavelength that are most strongly reflected?
A. 410 nm and 700 nm
B. 430 nm and 720 nm
C. 450 nm and 740 nm
D. 470 nm and 760 nm
E. 490 nm and 780 nm
Answer: B
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