JEE Main & Advanced
Physics
EM Waves
Question Bank
Mock Test - Electromagnetic Waves and Dual Nature
question_answer
A plane electromagnetic wave propagating in the x-direction has wavelength of 60 mm. The electric field is in the y-direction and its maximum magnitude is\[33\,V/{{m}^{-1}}\]. The equation for the electric field as function of x and t is N\[\sin \pi \times {{10}^{11}}(t-x/c)\]. Find the value of N.