Question
A photometer is positioned on a direct line between two lamps. When each inside of the photometer receives equal illuminance the distances from the photometer
A photometer is positioned on a direct line between two lamps. When each inside of the photometer receives equal illuminance the distances from the photometer are 500 mm to lamp A, and 650 mm to lamp B. lamp A is known to have a luminous intensity of 70 cd. Calculate the luminous intensity of lamp B.
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Functional Analysis And Summability
Authors: PN Natarajan
1st Edition
1000191494, 9781000191493
