Physics, 15.01.2020 08:31, ridzrana02

Suppose that you look into a photometer's eyepiece and the fluorescent disks appear to be equal in intensity. if the distance between the photometer to lamp 1 is 400mm, the distance between the photometer to lamp 2 is 200 mm, and the intensity of lamp 2 is known to be 15 candelas, what is the intensity to lamp 1?

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Suppose that you look into a photometer's eyepiece and the fluorescent disks appear to be equal in i...