GR9277 #80



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Comments 
omidkhakpour 20140203 08:59:51  this quastion is wrong becaus the 25KV is "25K electron volt". The question said it's V = volt, not eV=electron volt
omidkhakpour 20140203 09:54:59 
yo think this wrong but q = e, so we get straight back to electron volts.

  omidkhakpour 20140203 08:59:34  this quastion is wrong becaus the 25KV is "25K electron volt". The question said it's V = volt, not eV=electron volt   ali8 20110713 08:28:32  Sorry but, how did all of you assumed that the 25KV is "25K electron volt". The question said it's V = volt, not eV=electron volt.
So we should use E=qV...
itorsics 20110911 00:29:31 
And , so we get straight back to electron volts...

  gumby 20091029 21:43:39  Memorize this useful quantity! It's faster than trying to multiply h*c all the time.
Mnemonic: first 3 digits, last 3 digits.
nyuko 20091030 21:59:16 
I think memorizing is good enough

apr2010 20100408 09:15:47 
On the order of atom lattice constants / near neighbor distances (), so it should be 0.5 or smaller. The resolution is in general not as good with xray tubes, that's why I have chosen B.

gravity 20101109 05:12:06 
I think memorizing is good enough

neon37 20101112 06:21:21 
try 1000 eVnm even easier.

 

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