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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 25 - Electromagnetic Waves > A flood light is covered with filter that transmits red light. The electric field of the emerging beam is represented by a sinusoidal plane wave Ex=36sin(1.2 ×10^7z – 3.6×10^15 t) V/m. The average intensity of beam in watt/ metre^2 will be

A flood light is covered with filter that transmits red light. The electric field of the emerging beam is represented by a sinusoidal plane wave Ex=36sin(1.2 ×10^7z – 3.6×10^15 t) V/m. The average intensity of beam in watt/ metre^2 will be

The wave associated with 2.7 K belongs to