eli5: Does the reflection of light in windows/mirrors also produce light?

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Ever since I was young, I’ve always wondered if reflected light from windows also produces light. I never asked because I thought it was a “dumb” question. Guess this is the right place…

ps: sorry if I made mistakes, I’m not a native speaker 😉

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Anonymous 0 Comments

What you may think of as producing light (having it come through a window and you have bright spots on the ceiling) is light refracting. Meaning it bends the existing light.

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