Athin film suspended in air is 0.425 μm thick and illuminated with white light that is incident perpendicularly on its surface. the index of refraction of the film is 1.45. at what wavelength will visible light reflected from the two surfaces of the film undergo fully constructive interference?

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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it would be c. predictability