A1. It bounces into the molecules in the medium and so, changes their route and produces heat.

A2. Good shngalsses use polorization. It blocks most of the light reflected from surfaces.

A3. If it was a white T-shirt you need cyan and yellow, but black absords all light, so you can't make a green shirt.

: ¹Ì¸£³ª·¡´ÔÀÇ ±ÛÀÔ´Ï´Ù.
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> Q1. What would happen to an EMwave once it is absorbed into a medium?
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> Q2. How do sunglasses work?
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> Q3. You want to make a black T-shirt into a green one. You have yellow, cyan and magenta. If these collors mix into the shirt, what colors do you need to make a green shirt?
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> To be answered by 3/17 after reading chap3.4(93~102p)