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Full set of Notes with Fill-Ins - San Jose State University

Full set of Notes with Fill-Ins - San Jose State University

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Chem 155 Unit 6 Page 122 <strong>of</strong> 316DispersionDispersion characterizes the extent to which amonochromator separates (disperses) the differentwavelengths <strong>of</strong> light.Angular dispersion:For a given incident angle, i, how quickly does thecolor change as you change the viewing angle r?In other words – what is the derivative <strong>of</strong> λ<strong>with</strong> respect to r?nλ =λ(r) =dλ / dr =dλ / drd ( sin(i) + sin(r)d ( sin(i) + sin(r) / nd/dr[sin(i)] + d/dr[sin(r)] / nd cos(r) / nPage 122 <strong>of</strong> 316

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