JEE Main & Advanced
Physics
EM Waves
Question Bank
Numerical Value Type Questions - Electro Magnetic Wave
question_answer
A flood light is covered with a filter that transmits red light. The electric field of the emerging beam is represented by a sinusoidal plane wave\[{{E}_{x}}=36\sin (1.20\times {{10}^{7}}z-3.6\times {{10}^{15}}t)V/m\]. Find the average intensity (in\[W/{{m}^{2}}\]) of the beam.