238 SONG #3 ral Physics II (Showing Our knowledge Growth) April 1, 2022 A fish in an aquarium notices that some klutz has spilled some cooking oil on top of the water in the tank where she is floating. To document the horrid conditions of his habitat she takes a picture with her cell phone camera. When she checks her photo she notices that the flash reflected back rather strongly with a green color, wavelength 555 nm. If the index of refraction of water is 1.30 and oil is 1.45, what are the two thinnest possible layers of oil on top of his tank? in of water loJO