(a) If 5 percent of the power of a 100 W bulb is radiated in the visible...

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(a) If 5 percent of the power of a 100 W bulb is radiated in the visible spectrum, how many visible 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 2 m?

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Modern Physics

ISBN: 9781429250788

6th Edition

Authors: Paul A. Tipler, Ralph Llewellyn

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Question Posted: Feb 03, 2023 04:57 AM

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(a) If 5 percent of the power of a 100 W bulb is radiated in the visible...

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