X-Rays

D Young

<jabberwocky><div class="vbmenu_control"><a href="jabberwocky:;" onClick="newWindow=window.open('','usenetCode','toolbar=no,location=no, scrollbars=yes,resizable=yes,status=no,width=650,height=400'); newWindow.document.write('<HTML><HEAD><TITLE>Usenet ASCII</TITLE></HEAD><BODY topmargin=0 leftmargin=0 BGCOLOR=#F1F1F1><table border=0 width=625><td bgcolor=midnightblue><font color=#F1F1F1>This Usenet message\'s original ASCII form: </font></td></tr><tr><td width=449><br><br><font face=courier><UL><PRE>I am studiying to become a radiographer and a little familiar with\nphysics. I myself find it amazing that an X-Ray is a photon, and yet\nact like a particle by knocking away the electrons in cells. Has there\nbeen any recent explanations of this phenomenon?\n\n</UL></PRE></font></td></tr></table></BODY><HTML>');"> <IMG SRC=/images/buttons/ip.gif BORDER=0 ALIGN=CENTER ALT="View this Usenet post in original ASCII form">  View this Usenet post in original ASCII form </a></div><P></jabberwocky>I am studiying to become a radiographer and a little familiar with
physics. I myself find it amazing that an X-Ray is a photon, and yet
act like a particle by knocking away the electrons in cells. Has there
been any recent explanations of this phenomenon?

mathman

I don't know what you mean by "recent". However, the theory was first presented by Einstein in 1905 (that is why 2005 is the year of Einstein - celebrating his three famous 1905 papers) and has been worked with in theory and experiment ever since.

J. J. Lodder

<jabberwocky><div class="vbmenu_control"><a href="jabberwocky:;" onClick="newWindow=window.open('','usenetCode','toolbar=no,location=no, scrollbars=yes,resizable=yes,status=no,width=650,height=400'); newWindow.document.write('<HTML><HEAD><TITLE>Usenet ASCII</TITLE></HEAD><BODY topmargin=0 leftmargin=0 BGCOLOR=#F1F1F1><table border=0 width=625><td bgcolor=midnightblue><font color=#F1F1F1>This Usenet message\'s original ASCII form: </font></td></tr><tr><td width=449><br><br><font face=courier><UL><PRE>wD Young <youngons4@bellsouth.net> wrote:\n\n> I am studiying to become a radiographer and a little familiar with\n> physics. I myself find it amazing that an X-Ray is a photon, and yet\n> act like a particle by knocking away the electrons in cells. Has there\n> been any recent explanations of this phenomenon?\n\nThe old explanations are fine.\nEinstein (1905) invented the photon\nfor explaining the kicking of electrons,\n\nJan\n\n</UL></PRE></font></td></tr></table></BODY><HTML>');"> <IMG SRC=/images/buttons/ip.gif BORDER=0 ALIGN=CENTER ALT="View this Usenet post in original ASCII form">  View this Usenet post in original ASCII form </a></div><P></jabberwocky>wD Young <youngons4@bellsouth.net> wrote:

> I am studiying to become a radiographer and a little familiar with
> physics. I myself find it amazing that an X-Ray is a photon, and yet
> act like a particle by knocking away the electrons in cells. Has there
> been any recent explanations of this phenomenon?

The old explanations are fine.
Einstein (1905) invented the photon
for explaining the kicking of electrons,

Jan

proportional

<jabberwocky><div class="vbmenu_control"><a href="jabberwocky:;" onClick="newWindow=window.open('','usenetCode','toolbar=no,location=no, scrollbars=yes,resizable=yes,status=no,width=650,height=400'); newWindow.document.write('<HTML><HEAD><TITLE>Usenet ASCII</TITLE></HEAD><BODY topmargin=0 leftmargin=0 BGCOLOR=#F1F1F1><table border=0 width=625><td bgcolor=midnightblue><font color=#F1F1F1>This Usenet message\'s original ASCII form: </font></td></tr><tr><td width=449><br><br><font face=courier><UL><PRE>You should not worry if you find this phenomenon anoying. Most\nphysicist feel in the same way when they learn it. The difference is\nthat we get used to it and learn to live with it.\n\nIt has to do with the particle-wave duality property of matter.\nPhysicists call it quantum mechanics. In that theory some of the rules\nyou are familiar with in you everyday life are not valid anymore,\nbecause they do not explain the phenomena that is found when you are\ninterested in an atomic scale such as electron knocking away.\n\nGoogling around I found this page that you may find useful and\ncomprehensible at your level:\n\nhttp://whs.wsd.wednet.edu/Faculty/Busse/MathHomePage/busseclasses/radiationphysics/lecturenotes/lecturenotes.html\n\nand in particular interesting:\n\nhttp://whs.wsd.wednet.edu/Faculty/Busse/MathHomePage/busseclasses/radiationphysics/lecturenotes/chapter5/graphics/waveparticleduality.pdf\n\nKnocking away electrons is related to photoelectric effect and Compton\neffect.\n\nAnyway, as a radiographer student, probably there may be a medical\nphysicist near to you that may kindly explain you all the details that\nyou may need for your career. Medical physicists are the radiation\nexperts in the clinical enviroment.\n\nWelcome to the world of modern physics !\n\n</UL></PRE></font></td></tr></table></BODY><HTML>');"> <IMG SRC=/images/buttons/ip.gif BORDER=0 ALIGN=CENTER ALT="View this Usenet post in original ASCII form">  View this Usenet post in original ASCII form </a></div><P></jabberwocky>You should not worry if you find this phenomenon anoying. Most
physicist feel in the same way when they learn it. The difference is
that we get used to it and learn to live with it.

It has to do with the particle-wave duality property of matter.
Physicists call it quantum mechanics. In that theory some of the rules
you are familiar with in you everyday life are not valid anymore,
because they do not explain the phenomena that is found when you are
interested in an atomic scale such as electron knocking away.

Googling around I found this page that you may find useful and
comprehensible at your level:

http://whs.wsd.wednet.edu/Faculty/Bu...turenotes.html

and in particular interesting:

http://whs.wsd.wednet.edu/Faculty/Bu...cleduality.pdf

Knocking away electrons is related to photoelectric effect and Compton
effect.

Anyway, as a radiographer student, probably there may be a medical
physicist near to you that may kindly explain you all the details that
you may need for your career. Medical physicists are the radiation
experts in the clinical enviroment.

Welcome to the world of modern physics !

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mathman Recognitions: Science Advisor	I don't know what you mean by "recent". However, the theory was first presented by Einstein in 1905 (that is why 2005 is the year of Einstein - celebrating his three famous 1905 papers) and has been worked with in theory and experiment ever since.