The illumination l of an electric bulb is inversely proportional to the distance,d from the bulb, if the illumination is 10 units at a distance of 4m,find the formula connecting l and d and find the illumination,l when the distance is 20m
The illumination l of an electric bulb is inversely proportional to the distance,d from the bulb, if the illumination is 10 units at a distance of 4m,find the formula connecting l and d and find the illumination,l when the distance is 20m
An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter1: Measurement
Section: Chapter Questions
Problem 11E
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The illumination l of an electric bulb is inversely proportional to the distance,d from the bulb, if the illumination is 10 units at a distance of 4m,find the formula connecting l and d and find the illumination,l when the distance is 20m
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