Solved papers for JEE Main & Advanced JEE Main Paper (Held On 11 April 2015)

done JEE Main Paper (Held On 11 April 2015) Total Questions - 1

• question_answer1) The de - Broglie wavelength associated with the electron in the n = 4 level is : [JEE Main Online Paper (Held On 11 April 2015)]  
  A)
   two times the de-Broglie wavelength of the electron in the ground state
  done clear
  B)
    four times the de-Broglie wavelength of the electron in the ground state
  done clear
  C)
     half of the de-Broglie wavelength of the electron in the ground state
  done clear
  D)
     1/4th of the de-Broglie wavelength of the electron in the ground state 
  done clear
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