A double slit aperture is illuminated with HeNe laser light (λ = 638 nm).  The pattern observed on a screen placed 2.5 m from the aperture is shown in the attached picture.  If the distance between the 2nd order minima on either side of the central bright spot is 25 cm, determine the spacing between the slits.  (Hint: carefully determine m for 2nd order minima). The spacing between the slits is how many meters? (3 significant figures) Thank you.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A double slit aperture is illuminated with HeNe laser light (λ = 638 nm).  The pattern observed on a screen placed 2.5 m from the aperture is shown in the attached picture.  If the distance between the 2nd order minima on either side of the central bright spot is 25 cm, determine the spacing between the slits.  (Hint: carefully determine m for 2nd order minima). The spacing between the slits is how many meters? (3 significant figures)

Thank you.

max
min
max
min
25cm
max
Source
min
max
Single slit
min
Double slit
max
Interference pattem on screen
Viewing
screen
II
Transcribed Image Text:max min max min 25cm max Source min max Single slit min Double slit max Interference pattem on screen Viewing screen II
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