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 piece of wood from a recently cut tree shows 20 decays per minute. A wooden piece of same size placed in a museum (obtained from a tree cut many years back) shows 2 decays per minute. If half life of \[{{C}^{14}}\]is 5730 years, then age of the wooden piece placed in the museum is approximately:     JEE Main Online Paper (Held On 19 April 2016)
  A)
  10439 years                       
  done clear
  B)
  13094 years
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  C)
  19039 years                       
  done clear
  D)
  39049 years
  done clear
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