Two lamps are separated from each other and both emitting light to a wall different distance. If the first lamp emits 35 cd with the distance of 2 m , what should be the distance of the other lamp that emits 18 cd to have an equal illumination to the wall?
Two lamps are separated from each other and both emitting light to a wall different distance. If the first lamp emits 35 cd with the distance of 2 m , what should be the distance of the other lamp that emits 18 cd to have an equal illumination to the wall?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter25: Reflection And Refraction Of Light
Section: Chapter Questions
Problem 8OQ
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Two lamps are separated from each other and both emitting light to a wall different distance. If the first lamp emits 35 cd with the distance of 2 m , what should be the distance of the other lamp that emits 18 cd to have an equal illumination to the wall?
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