Mind Boggling Physics #1

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#1638

From: Mark Joe
Date: Fri, 25 Feb 1994 01:08

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I thought maybe it would be neat to post some effects that takes some thinking
involving physics. I will subject it Mind Boggling Physics


This is the first edition. I hope to draw some interesting discussions about it.

Given a electroscope with a metal plate on top. When a charged rod touches the
metal plate, the electro scope is charged by conduction. An unknown light source
shines on the plate and the needle inside the electrocope moves to indicate a
opposite charge touched the plate, but only the beam of the unknown light source
touched the plate. When the electroscope is charged by induction, the same
effect occurs. Regular  light shines at the plate but no reaction with the
needle occurs. What do you think the unknown light source is and why do you
think it reacts to make the needle move? H??

MJ
CHI(College Honors Involvement)
Email: CHI@vms2.macc.wisc.edu
BITNET: CHI@WISCMACC.BITNET

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Date: Thu, 24 Feb 1994 20:08:00 CDT
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From: Mark Joe <CHI@MACC.WISC.EDU>
Subject: Mind Boggling Physics #1
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