Light of wavelength 500 nm is incident normally on a diffraction grating. If the third-ordermaximum of the diffraction pattern is observed at 32.0°, (a) what is the number of rulings percentimeter for the grating? (b) Determine the total number of primary maxima that can beobserved in this situation. (N = 3,530 grooves/cm, 11 maxima)

Light of wavelength 500 nm is incident normally on a diffraction grating. If the third-ordermaximum of the diffraction pattern is observed at 32.0°, (a) what is the number of rulings percentimeter for the grating? (b) Determine the total number of primary maxima that can beobserved in this situation. (N = 3,530 grooves/cm, 11 maxima)

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter35: Diffraction And Interference

Section: Chapter Questions

Problem 44PQ

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

Question

Light of wavelength 500 nm is incident normally on a diffraction grating. If the third-order
maximum of the diffraction pattern is observed at 32.0°, (a) what is the number of rulings per
centimeter for the grating? (b) Determine the total number of primary maxima that can be
observed in this situation. (N = 3,530 grooves/cm, 11 maxima)

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