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) A parallel beam of electrons travelling in x-direction falls on a slit of width d (see figure). If after passing the slit, an electron acquires momentum \[{{p}_{y}}\] in the y-direction then for a majority of electrons passing through the slit (h is Planck's constant) : JEE Main Online Paper (Held On 10 April 2015)
  A)
  \[|{{p}_{y}}|d>h\]                         
  done clear
  B)
  \[|{{p}_{y}}|d>>h\]
  done clear
  C)
  \[|{{p}_{y}}|d<h\]                         
  done clear
  D)
  \[|{{p}_{y}}|d\simeq h\]
  done clear
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