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Sahay Sir > Question Answers > NCERT Exemplar Class 12 > Physics > Chapter 8 - Electromagnetic Waves > The magnetic field of a beam emerging from a filter facing a floodlight is given by B0 = 12 × 10^–8 sin (1.20 × 10^7 z – 3.60 × 10^15 t) T. What is the average intensity of the beam?

The magnetic field of a beam emerging from a filter facing a floodlight is given by B0 = 12 × 10^–8 sin (1.20 × 10^7 z – 3.60 × 10^15 t) T. What is the average intensity of the beam?

The magnetic field of a beam emerging from a filter facing a floodlight is given by B0 = 12 × 10^–8 sin (1.20 × 10^7 z – 3.60 × 10^15 t) T. What is the average intensity of the beam?