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NEETPhysicsElectromagnetic Waves

What is the average intensity of the magnetic field of a beam emerging from a filter facing a floodlight, given that the magnetic field is represented by B 0 = 12 × 10 –8 sin (1.20 × 10 7 z – 3.60 × 10 15 t) T?

Options

  1. A1.71 W/m²
  2. B2.35 W/m²
  3. C0.87 W/m²
  4. D3.12 W/m²

Correct answer

A. 1.71 W/m²

Step-by-step solution

Correct Option is : (A) 1.71 W/m²

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