Solved papers for JEE Main & Advanced JEE Main Paper (Held on 7 May 2012)

done JEE Main Paper (Held on 7 May 2012) Total Questions - 1

• question_answer1) The heat radiated per unit area in 1 hour by a furnace whose temperature is 3000 K is \[(\sigma =5.7\times {{10}^{-8}}W\,{{m}^{-2}}{{K}^{-4}})\]   JEE Main Online Paper (Held On 07 May 2012)
  A)
  \[1.7\times {{10}^{10}}J\]            
  done clear
  B)
                         \[1.1\times {{10}^{12}}J\]
  done clear
  C)
                         \[2.8\times {{10}^{8}}J\]                              
  done clear
  D)
                         \[4.6\times {{10}^{6}}J\]
  done clear
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