In using the superposition principle to calculate intensities in interference patterns, could you add the intensities of the waves instead of their amplitudes? Explain.

University Physics Volume 3
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ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter3: Interference
Section: Chapter Questions
Problem 38P: What is the angular width of the central fringe of the interference pattern of (a) 20 slits...
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In using the superposition principle to calculate intensities in interference patterns, could you add the intensities of the waves instead of their amplitudes? Explain.

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