Solved papers for JEE Main & Advanced JEE Main Paper (Held on 7 May 2012)

done JEE Main Paper (Held on 7 May 2012) Total Questions - 2

• question_answer1) The electron of a hydrogen atom makes a transition from the \[{{(n+1)}^{th}}\]orbit to the \[{{n}^{th}}\] orbit. For large n the wavelength of the emitted radiation is proportional to   JEE Main Online Paper (Held On 07 May 2012)
  A)
  n                                            
  done clear
  B)
                         \[{{n}^{3}}\]
  done clear
  C)
                         \[{{n}^{4}}\]                                      
  done clear
  D)
                         \[{{n}^{2}}\]
  done clear
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• question_answer2) In the Rutherford experiment, a-particles are scattered from a nucleus as shown. Out of the four paths, which path is not possible?   JEE Main Online Paper (Held On 07 May 2012)
  A)
  D                            
  done clear
  B)
                         B
  done clear
  C)
                         C       
  done clear
  D)
                         A
  done clear
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