181 2002/ 2018 2 Timer NotesE Print In a Assi ons of Thin Films (MC) Combination

Question

181 2002/ 2018 2 Timer NotesE Print In a Assi ons of Thin Films (MC) Combinations of Thin Films (Mc) 1.00, water, with index n-1.33, or d. Each of the three materials in the figure can be chosen to be air, with index of refraction The diagram shows light incident from above on a film of glass, with index nu1.50. Under which of the following conditions will the reflected light be completely or nearly eliminated by interference? (lambdaz refers to the wavelength of the light inside the thin film.) you can assume the thickness is so small that the travel distance in material 2 has are almost right on top of each other.) n3 material 1 is air, 2 is water, 3 is glass DOLL

Explanation / Answer

The wavelength of light changes from one medium to another.

lambda' = lambda/n

based on this the folliwing has been done.

a)True

b)False

c)False

d)false

e)True

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