A 60-w light bulb emits spherical electromagnetic waves

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Reference no: EM13627631

A 60-W light bulb emits spherical electromagnetic waves uniformly in all directions. If 50% of the power input to such a light bulb is emitted as electromagnetic radiation, what is the radiation intensity at a distance of 2.00 m from the light bulb?

A) 15 W/m^₂

B) 4.8 W/m²

C) 2.4 W/m²

D) 0.60 W/m²

E) 1.2 W/m²

Reference no: EM13627631

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