Solved papers for JEE Main & Advanced JEE Main Paper (Held On 19 April 2014)

done JEE Main Paper (Held On 19 April 2014) Total Questions - 1

• question_answer1) A bullet looses \[{{\left( \frac{1}{n} \right)}^{th}}\]of its velocity passing through one plank. The number of such planks that are required to stop the bullet can be:     JEE Main Online Paper (Held On 19 April 2016)
  A)
  \[\frac{{{n}^{2}}}{2n-1}\]             
  done clear
  B)
  \[\frac{2{{n}^{2}}}{n-1}\]
  done clear
  C)
  infinite                 
  done clear
  D)
  n
  done clear
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