home *** CD-ROM | disk | FTP | other *** search
- Xref: sparky misc.consumers:16135 sci.environment:11073 sci.med:16869
- Path: sparky!uunet!haven.umd.edu!darwin.sura.net!jvnc.net!yale.edu!qt.cs.utexas.edu!cs.utexas.edu!usc!elroy.jpl.nasa.gov!ames!purdue!mentor.cc.purdue.edu!noose.ecn.purdue.edu!gn.ecn.purdue.edu!zika
- From: zika@gn.ecn.purdue.edu (Michael Zika)
- Newsgroups: misc.consumers,sci.environment,sci.med
- Subject: Re: "Small amounts" of radioactivy (was: Light Bulbs)
- Message-ID: <1992Sep4.152202.21850@gn.ecn.purdue.edu>
- Date: 4 Sep 92 15:22:02 GMT
- References: <1992Sep2.173533.11609@murdoch.acc.Virginia.EDU> <1992Sep3.142402.641@newshub.ccs.yorku.ca> <16857BEF1.M20614@mwvm.mitre.org>
- Organization: Purdue University Engineering Computer Network
- Lines: 19
-
- In article <16857BEF1.M20614@mwvm.mitre.org> M20614@mwvm.mitre.org (Hugh Pritchard) writes:
- >In article <1992Sep3.142402.641@newshub.ccs.yorku.ca>
- >tony@nexus.yorku.ca (Anthony Wallis) writes:
- >
- >I was under the impression that "gamma rays" were merely photons --
- >light rays. Are "gamma rays" in this context photons of a specific
- >energy or range of energies? Perhaps they are more energetic [ =
- >shorter wavelength] than X-rays.
- >
- Both gamma-rays and X-rays are photons. The distinction comes
- from the origin of the photon -- gamma-rays originate from a _nuclear_
- de-excitation, X-rays originate from an electron de-excitation.
-
-
- --
- |
- Michael Zika (zika@ecn.purdue.edu) | Hey don't ask me "why?",
- Purdue University | I'm still working on "how?" !
- School of Nuclear Engineering |
-