Light of wavelength 633 nm is incident on a pair of identical stits of width 0.2mm and center-to-center separation of 2mm. The diffraction pattern is observed on a screen at distance 5m. Calculate the spacing between zeros of intensity (in mm to 2 d.p.); and which is the lowest-numbered peak (counting up from zero at the centre) which has less than half the intensity of the zeroth peak: (Hint: sinc(?/2)=2/?(pi/2)=2/pi). The spacing is: and the number of the peak with less than half central intensity is: Light of wavelength 633 nm is incident on a pair of identical stits of width 0.2 mm and center-to-center separation of 2 mm. The diffraction pattern isobserved on a screen at distance 5 m. Calculate the spacing between zeros of intensity (in mm to 2 d.p.); and which is the lowest-numbered peak(counting up from zero at the centre) which has less than half the intensity of the zeroth peak: (Hint: sinc(π/2) = 2/π). The spacing isand the number of the peak with less than half central intensity ismm,

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Answered: Light of wavelength 633 nm is incident…

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 40P: Determine the intensities of two interference peaks other than the central peak in the central...

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Light of wavelength 633 nm is incident on a pair of identical stits of width 0.2mm and center-to-center separation of 2mm. The diffraction pattern is observed on a screen at distance 5m. Calculate the spacing between zeros of intensity (in mm to 2 d.p.); and which is the lowest-numbered peak (counting up from zero at the centre) which has less than half the intensity of the zeroth peak: (Hint: sinc(?/2)=2/?(pi/2)=2/pi). The spacing is: and the number of the peak with less than half central intensity is:

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