Solved papers for JEE Main & Advanced JEE Main Paper (Held On 12 April 2014)

done JEE Main Paper (Held On 12 April 2014) Total Questions - 1

• question_answer1) Excited hydrogen atom emits light in the ultraviolet region at \[2.47\times {{10}^{15}}Hz.\]With this frequency, the energy of a single photon is: \[(h=6.63\times {{10}^{-34}}Js)\]   [JEE Main Online Paper ( Held On 12 Apirl  2014 )
  A)
  \[8.041\times {{10}^{-40}}J\]     
  done clear
  B)
  \[2.680\times {{10}^{-19}}J\]
  done clear
  C)
  \[1.640\times {{10}^{-18}}J\]     
  done clear
  D)
  \[6.111\times {{10}^{-17}}J\]
  done clear
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