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Back to 27.6 Limits of Resolution: The Rayleigh Criterion

27.6 Exercise 6

Avg difficulty 2.5

Diffraction spreading for a flashlight is insignificant compared with other limitations in its optics, such as spherical aberrations in its mirror. To show this, calculate the minimum angular spreading of a flashlight beam that is originally 5.00 cm in diameter with an average wavelength of 600 nm.

OpenStax College Physics 2e, 27.6 Limits of Resolution: The Rayleigh Criterion, exercise 6

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.