A diffraction grating is made up of slits of width 300 nm with separation 900 nm The grating is illuminated by monochromatic plane waves of wavelength 600 nm at normal incidence (a) How many maxima are there in the full diffraction pattern (b) What is the angular width of a spectral line observed i...

A diffraction grating is made up of slits of width 300 nm with separation 900 nm. The

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A diffraction grating is made up of slits of width 300 nm with separation 900 nm. The grating is illuminated by monochromatic plane waves of wavelength λ = 600 nm at normal incidence.

(a) How many maxima are there in the full diffraction pattern?

(b) What is the angular width of a spectral line observed in the first order if the grating has 1000 slits?

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jan 26, 2011 05:53 AM

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