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What is the illumination on a book that is 2.5 m from a lamp (assume point source) that produces 100 W of power?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter1: The Nature Of Light

Section: Chapter Questions

Problem 62P: What angle is needed between the direction of polarized light and the axis of a polarizing filter to...

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