A thin film of oil no = 1.50 with varying thickness floats on water nw = 1.33.
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A thin film of oil no = 1.50 with varying thickness floats on water nw = 1.33. When it is illuminated from above by white light, the reflected colors are as shown in Fig. 24-60. In air, the wavelength of yellow light is 580 nm.
(a) Why are there no reflected colors at point A?
(b) What is the oil's thickness at point B?
Transcribed Image Text:
Air Oil Dark no = 1.50 Water Nw = 1.33 Blue Yellow Red Blue Yellow
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