Costume Jewelry

Score: 3 Points




In costume jewelry, rhinestones (made of glass with $n=1.5$) are often coated with silicon monoxide ($n = 2.0$) to make them more reflective. how thick should the coating be to achieve strong reflection for $560nm$ light, incident normally?


Note: Your answer should be in the $nm$ unit. Don't write the unit in the answer.


Optics

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First Solve @minhazurrahmanzim

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