eli5: What is the difference between a mirror and a white object?

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I mean, what does a white object do? Absorbs nothing, reflects all light back.

What does a mirror do? Absorbs nothing, reflects all light back.

Having the same characteristics, how does a mirror reflect an image and a white object, a white texture?

In: Physics

18 Answers

Anonymous 0 Comments

White objects reflect most visible wavelengths of light but there’s no order to the reflection making the reflected light very diffuse. So the reflected light just looks like uniform white light (no picture or image). Mirrors reflect light as well but there is more “order” to the reflections. So the reflected light forms an image as well.

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