If 8 percent of the power of a 100 w bulb is radiated in

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Reference no: EM13645100

(a) If 8 percent of the power of a 100 W bulb is radiated in the visible spectrum, how many visibly photons are radiated per second?

(b) If the bulb is a point source radiating equally in all directions, what is the flux of photons (number per unit time per unit area) at a distance of 9 m?

Reference no: EM13645100

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