Solved papers for JEE Main & Advanced JEE Main Paper (Held On 9 April 2014)

done JEE Main Paper (Held On 9 April 2014) Total Questions - 1

• question_answer1) Water of volume 2 L in a closed container is heated with a coil of 1 kW. While water is heated, the container loses energy at a rate of 160 J/s. In how much time will the temperature of water rise from \[27{}^\circ C\] to \[77{}^\circ C\]? (Specific heat of water is 4.2 kJ/kg and that of the container is negligible).   [JEE Main Online Paper ( Held On 09 Apirl  2014  )
  A)
  8 min 20 s                           
  done clear
  B)
  6 min 2 s
  done clear
  C)
  7 min                    
  done clear
  D)
  14 min
  done clear
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