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An oil tank ship leaks crude oil (n = 1.2) in the ocean (n = 1.33),...

An oil tank ship leaks crude oil (n = 1.2) in the ocean (n = 1.33), making a huge area of oil film. Please calculate: (1) For top view from the airplane above the oil film with thickness of 600 nm, which wavelengths of visible light will have the highest reflection (constructive interference for reflected light)? (2) For bottom view from a diver inside the ocean below the same area, which wavelengths of visible light will have the highest transparency (destructive interference for reflected light)? (Wavelength of visible light: 380 nm to 740 nm)

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Answer #1

Inside the water reflected part of the wave at the wavelength must be weak or have interfered destructively.

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