You are standing 1.2 m from a 1500-W heat lamp, (a) Assuming that the energy of the heat lamp is radiated uniformly in a hemispherical pattern, what is the intensity of the light on your face? (b) If you stand in front of the heat lamp for 2.0 min, how much energy is incident on your face? Assume your face has a total area of 2.8 × 10–2 m2. (c) What are the rms electric and magnetic fields?
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