Date: Tue, 22 Oct 2002 13:12:20 -0400

Author: Machele Cable

Subject: Re: Planck's constant

Post:

That was Einstein's proof, not the initial "discovery". Einstein wone
the Nobel Prize for this.

Chele


Jim Krider wrote:

>
>
> I thought Planck's constant was determined by the photoelectric effect
> for different metals. Various frequencies of light were plotted
> versus the energy of the ejected electron. The slope of the line is
> Plank's constant.
>
> Jim Krider Laboratory Coordinator Senior
> PIRT - Physics & Astronomy Instructional Resource Team
> Arizona State University
> P.O. Box 8751504 Tempe, AZ 85287-1504
> 480-965-8086 FAX 480-965-7954 james.krider@asu.edu
>
> -----Original Message-----
> From: Machele Cable [mailto:cablem@wfu.edu]
> Sent: Tuesday, October 22, 2002 8:23 AM
> To: tap-l@listproc.appstate.edu
> Subject: Re: Planck's constant
>
> Hmmm...I recall it had something to do with blackbody radiation...but
> maybe
> it was later related to angular momentum?
> http://hyperphysics.phy-astr.gsu.edu/hbase/mod2.html#c3
>
> Chele
>
> Anthony Lapinski wrote:
>
> > Energy of an EM wave is E = hf, where h = Planck's constant and f is
> the
> > frequency. Can someone tell me "briefly" how Planck's constant was
> > determined? I know it's related to the angular momentum of the atom.
>
> --
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> Machele Cable Lab Manager Physics WFU
> Phone: (336) 758-5532 Fax: (336) 758-6142
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> There's a thin woman inside of me trying to get out,
> but I can usually shut her up with some chocolate!

--
~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ -
~ - ~ - ~ - ~
Machele Cable Lab Manager Physics WFU
Phone: (336) 758-5532 Fax: (336) 758-6142
~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ -
~ - ~ - ~ - ~
Friends are the Bacon Bits in the salad bowl of life.
~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ - ~ -
~ - ~ - ~ - ~
There's a thin woman inside of me trying to get out,
but I can usually shut her up with some chocolate!

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