10. Suppose the interference pattern shown in the figure below is produced by monochromatic light passing through a diffraction grating, that has 300 lines/mm, and onto a screen 1.50 m away. What is the wavelength of light if the distance between the dashed lines is 144 cm? nm

10. Suppose the interference pattern shown in the figure below is produced by monochromatic light passing through a diffraction grating, that has 300 lines/mm, and onto a screen 1.50 m away. What is the wavelength of light if the distance between the dashed lines is 144 cm? nm

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter37: Diffraction Patterns And Polarization

Section: Chapter Questions

Problem 7P: A diffraction pattern is formed on a screen 120 cm away from a 0.400-mm-wide slit. Monochromatic...

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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

10. Suppose the interference pattern shown in the figure below is produced by monochromatic light passing through a
diffraction grating, that has 300 lines/mm, and onto a screen l.50 m away. What is the wavelength of light if the distance
between the dashed lines is 144 cm?

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