Solved papers for JEE Main & Advanced JEE Main Solved Paper-2015

done JEE Main Solved Paper-2015 Total Questions - 1

• question_answer1) A red LED emits light at 0.1 watt uniformly around it. The amplitude of the electric field of the light at a distance of 1m from the diode is : [JEE Main Solved Paper-2015 ]
  A)
  5.48 V/m                             
  done clear
  B)
  7.75 V/m
  done clear
  C)
  1.73 V/m                             
  done clear
  D)
  2.45 V/m
  done clear
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