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Introductory Physics Homework Help
What is the equation for constructive interference in thin film interference?
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[QUOTE="fedecolo, post: 6056614, member: 623607"] [h2]Homework Statement [/h2] Between two pieces of glass (##n_1=1.70##), there is a thin film of water (##n_2=1.33## and width ##d=1 \mu m##). If there is normal-incidence of [I]white light [/I]on the water surface, find: (a) which wavelenghts can be seen in the light transmitted (answer: 667 nm,533 nm,444 nm, 381 nm) (b) which wavelenghts can be seen in the light reflected (answer: 593 nm,484 nm, 410 nm, (355 nm) ) [h2]The Attempt at a Solution[/h2] (a) I don't know how to deal with light transmitted (b) I set the ##2d= \left(m-\frac{1}{2} \right) \cdot \frac{\lambda}{n_2}## to find the lambdas for ##m=1,2...## but I obtain only ##\lambda_{m=1}=355 nm## (below the light that can be seen). Any help? [/QUOTE]
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Introductory Physics Homework Help
What is the equation for constructive interference in thin film interference?
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