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Part B ?
Problem 21.60 A sheet of glass is coated with a 495-nm-thick layer of oil (n = 1.42). Part A For what visible wavelengths of light do the reflected waves interfere constructively? Express your answer numerically. If there is more than one answer, enter your answers in ascending order separated by commas. λ= 469 nm Submit Give Up Correct Part B For what visible wavelengths of light do the reflected waves interfere destructively? Express your answer numerically. If there is more than one answer, enter your answers in ascending order separated by commas. λ= 562,402 nm
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