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) A lamp emits monochromatic green light uniformly in all directions. The lamp is 3% efficient in converting electrical power to electromagnetic waves and consumes 100 W of power. The amplitude of the electric field associated with the electromagnetic radiation at a distance of 5 m from the lamp will be nearly:   [JEE Main Online Paper ( Held On 12 Apirl  2014 )
  A)
  1.34 V/m                             
  done clear
  B)
  2.68 V/m
  done clear
  C)
  4.02 V/m                             
  done clear
  D)
   5.36 V/m
  done clear
  View Answer play_arrow