Solved papers for JEE Main & Advanced JEE Main Paper (Held On 10 April 2015)

done JEE Main Paper (Held On 10 April 2015) Total Questions - 1

• question_answer1) de-Broglie wavelength of an electron accelerated by a voltage of 50 V is close to \[(|e|=1.6\times {{10}^{-19}}C,{{m}_{e}}=9.1\times {{10}^{-31}}kg,h=6.6\times {{10}^{-34}}Js)\] JEE Main Online Paper (Held On 10 April 2015)
  A)
  \[0.5\,\overset{\text{o}}{\mathop{\text{A}}}\,\]            
  done clear
  B)
  \[1.7\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  C)
  \[2.4\,\overset{\text{o}}{\mathop{\text{A}}}\,\]          
  done clear
  D)
  \[1.2\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow