[Leica] Prism fun

[kanner at acm.org (Herbert Kanner)]

You're absolutely right about a slit, oriented parallel to the axis 
of the prism. About a lens, I'm dubious.

Of course, the karma of experimental physics says "try it," but I 
don't have a prism handy.

Herb


>On Fri, Sep 16, 2011 at 5:40 PM, Herbert Kanner <kanner at acm.org> wrote:
>
>  > As an ex-physicist (Ph.D. in 1951, forgot most of it by now), I'a say a
>  > lens will not do a bit of good. The light from the sun can be considered
>  > fully collimated. The farther you remove the paper from the prism, the
>  > larger, but fainter, will be your rainbow.
>  >
>
>Your PhD notwithstanding, a lens, or a slit between the light source and the
>prism will enhance the  rainbow..
>
>English Major,  the only Physics course I ever took was called *Physics for
>Poets* at Loyola University in New Orleans taught by Carl Brans
>
>Regards,
>
>Sonny
>http://sonc.com/look/
>Natchitoches, Louisiana
>
>USA
>
>_______________________________________________
>Leica Users Group.
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-- 
Herbert Kanner
kanner at acm.org
650-326-8204

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