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Physics, 06.05.2020 02:03 aimee80

All questions of this quiz are about the same film with index of refraction 1.3 which is illuminated with colors red of the wavelength 650 nm and blue of 390 nm wavelength. This film is positioned with upper surface contacting the air and lower surface contacting oil with index of refraction 1.22. What is the minimum thickness of this film which will provide strong reflection in magenta color? (magenta color occurs if you are mixing red and blue)

a. 325 nm
b. 98 nm
c. 125 nm
d. 0 250 nm
e. 150 nm
f. there is no such possibility
g. 975 nm
h. 75 nm
i. 750 nm
j. 195 nm
k. 375 nm

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