Problem: A glass plate that has refractive index n = 1.50 and that is 6.00 x 10 -7 m thick is surrounded by air. The plate is illuminated by a beam of white light that is normal to the plate. What wavelengths in air within the limits of the visible spectrum (λ = -100 nm to 700 nm) have destructive interference between the light reflected from the upper and the lower surfaces of the plate?

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Problem Details

A glass plate that has refractive index n = 1.50 and that is 6.00 x 10 -7 m thick is surrounded by air. The plate is illuminated by a beam of white light that is normal to the plate. What wavelengths in air within the limits of the visible spectrum (λ = -100 nm to 700 nm) have destructive interference between the light reflected from the upper and the lower surfaces of the plate?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the !! Thin-Film Interference concept. If you need more !! Thin-Film Interference practice, you can also practice !! Thin-Film Interference practice problems.

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