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![[Post New]](/templates/default/images/icon_minipost_new.gif) 28 May 2008 20:48:29 IST
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hey i have 1 prob... its lyk
in case of electrons and protons having same wavelength,what is same for them
A) energy
B) velocity
C)momentum
D)angular momentum
buk says its (C) bt i thing its (A)...
ans.. wid reasons
its imp...
help...
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28 May 2008 21:07:53 IST
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is dis ques.. really hard 2 ans..??
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28 May 2008 21:08:17 IST
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plzz reply..
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28 May 2008 21:16:32 IST
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i also think it should be energy coz
E=hc/lambda
since h and c are constant and wavelength (lambda) is same as given in the que.
it can be momentum also coz
lambda=h/p
h is constant and lambda is also same so momentum should be same
i think both the ans are correct
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28 May 2008 21:17:48 IST
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so wht 2 do bth r in options...
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28 May 2008 21:22:17 IST
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hey both the ans are correct
sometimes it happens yaar 2 correct options are der
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28 May 2008 21:29:14 IST
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kkzz...
thanx nywayzz...
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28 May 2008 21:31:40 IST
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the answer is momentum because 
 is for photons,for electrons it is 
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28 May 2008 21:33:06 IST
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how can u so sure abt dat velo. is nt constant or sumthing.....
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28 May 2008 23:13:53 IST
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lambda= h/mv
since lambda is same for both so momentum is same...hence c) is correct
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