Solved papers for JEE Main & Advanced JEE Main Online Paper (Held On 23 April 2013)

done JEE Main Online Paper (Held On 23 April 2013) Total Questions - 2

• question_answer1)                 The numbers of protons, electrons and neutrons in molecule of heavy water are respectively:     JEE Main Online Paper ( Held On 23  April 2013 )
  A)
                    8,10,11                               
  done clear
  B)
                                           10,10,10
  done clear
  C)
                                           10,11,10                            
  done clear
  D)
                                           11,10,10
  done clear
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• question_answer2)                 The de Broglie wavelength of a car of mass 100 kg and velocity 36 km/hr is:                 \[(h=6.63\times {{10}^{-34}}\,Js)\]     JEE Main Online Paper ( Held On 23  April 2013 )
  A)
                   \[6.626\times {{10}^{-34}}\operatorname{m}\]               
  done clear
  B)
                                          \[6.626\times {{10}^{-38}}\operatorname{m}\]
  done clear
  C)
                                          \[6.626\times {{10}^{-31}}\operatorname{m}\]               
  done clear
  D)
                                          \[6.626\times {{10}^{-30}}\operatorname{m}\]
  done clear
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