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Electromagnetic radiation of intensity I0 = 380 W/m^2 passes through two parallel. Arrow slots that are d = 2.8 μm part and strikes a screen located L = 1.4 m from the slits.  The intensity of the radiation in the screen at y = 4.6 mm from the central interference maximum is I = 55 W/m^2.   A)) Calculate the phase difference, in radians, between the rays from the two slits as they strike the screen at the specified distance from the center maximum,     B)) Calculate the average wavelength of the radiation, in nanometers.

Electromagnetic radiation of intensity I0 = 380 W/m^2 passes through two parallel. Arrow slots that are d = 2.8 μm part and strikes a screen located L = 1.4 m from the slits.  The intensity of the radiation in the screen at y = 4.6 mm from the central interference maximum is I = 55 W/m^2.   A)) Calculate the phase difference, in radians, between the rays from the two slits as they strike the screen at the specified distance from the center maximum,     B)) Calculate the average wavelength of the radiation, in nanometers.

Physics for Scientists and Engineers: Foundations and Connections
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 82PQ
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1)) Electromagnetic radiation of intensity I0 = 380 W/m^2 passes through two parallel. Arrow slots that are d = 2.8 μm part and strikes a screen located L = 1.4 m from the slits.  The intensity of the radiation in the screen at y = 4.6 mm from the central interference maximum is

I = 55 W/m^2.

 

A)) Calculate the phase difference, in radians, between the rays from the two slits as they strike the screen at the specified distance from the center maximum,

 

 

B)) Calculate the average wavelength of the radiation, in nanometers.

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