Solved papers for JEE Main & Advanced JEE Main Paper (Held On 12 May 2012)

done JEE Main Paper (Held On 12 May 2012) Total Questions - 2

• question_answer1) Magnetic moment of \[G{{d}^{3+}}ion(Z=64)\]is     JEE Main Online Paper (Held On 12 May 2012)
  A)
  3.62 BM               
  done clear
  B)
                         9.72 BM
  done clear
  C)
                         7.9 BM        
  done clear
  D)
                         10.60 BM
  done clear
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• question_answer2) If the radius of first orbit of H atom is \[{{a}_{0}},\] the de- Broglie wavelength of an electron in the third orbit is     JEE Main Online Paper (Held On 12 May 2012)
  A)
  \[4\pi {{a}_{0}}\]                             
  done clear
  B)
                         \[8\pi {{a}_{0}}\]
  done clear
  C)
                         \[6\pi {{a}_{0}}\]
  done clear
  D)
                         \[2\pi {{a}_{0}}\]
  done clear
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