MadSci Network: Physics

Subject: Why can't you see shadows that well on a mirror?

Date: Tue Jan 9 11:03:06 2001
Posted by Brian Ghielmetti
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Area of science: Physics
ID: 979056186.Ph

Placing a shadow casting object between the sun and a mirror, one barely 
the shadow on the mirror.

With polished stainless steel the shadow is much more apparent but still a
little faint. Why?

And it is hard to see shadows on glass as well. Why?

Also, could a black surface match the pitch of blackness of the shadow and
become almost or completely unnoticeable? Could you think of such a surface?

Re: Why can't you see shadows that well on a mirror?

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