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 ]