A light of wavelength d = 600 nm is illuminated on a double-slit and a pattern is observed on a screen that is at 2.0 m away from the slits. The central diffraction maximum of the pattern has a width of 4.0 cm (from M = -1 to M = +1) and the fourth interference bright fringes (m = +4) are missing on both %3D %3D

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A light of wavelength A = 600 nm is illuminated on a double-slit and a pattern is observed on a screen
that is at 2.0 m away from the slits. The central diffraction maximum of the pattern has a width of 4.0
cm (from M = -1 to M = +1) and the fourth interference bright fringes (m = +4) are missing on both
%3D
sides of the central line.
a Find-the-width of each-slit.
Find the separationbetween the two slits.
c Find the path-Hength-difference_for the point on the screen where-you see the third order
interference bright fringe.
d) If a light with wavelength A = 400 nm is used on the same double slit, find how many bright fringes
%3D
appear inside the central diffraction maximum. Must explain or show your work.
Transcribed Image Text:A light of wavelength A = 600 nm is illuminated on a double-slit and a pattern is observed on a screen that is at 2.0 m away from the slits. The central diffraction maximum of the pattern has a width of 4.0 cm (from M = -1 to M = +1) and the fourth interference bright fringes (m = +4) are missing on both %3D sides of the central line. a Find-the-width of each-slit. Find the separationbetween the two slits. c Find the path-Hength-difference_for the point on the screen where-you see the third order interference bright fringe. d) If a light with wavelength A = 400 nm is used on the same double slit, find how many bright fringes %3D appear inside the central diffraction maximum. Must explain or show your work.
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