UNITS; DO NOT WRITE LETTERS). During a lecture demonstration of single-slit diffraction, a laser beam that has a wavelength À = 600 [nm] passes through a vertical slit of gap a = 0.25 [mm] and hits a screen. All angles are in degrees. A diffraction pattern is observed on the screen, as shown in the below figure. O sin (1x600x10 o [m] L a) [:. Considering λ = 600 [nm] and a = 0.25 [mm], the angle corresponding to the first dark fringe (8₂) will be given by: Screen W= y [m] W 0.25x10) sin((1/2)x600x10 0.25x10-3 b) [ Considering = 600 [nm] and a = 0.25 [mm], calculate the angle corresponding to the first dark fringe (0₁) 0₁ = If the angle corresponding to the first dark fringe is found to be 8₁ = 0.24*, and the screen is located at a distance L = 7 [m] from the slit. Calculate y₁, the location of the first dark fringe. y₁ = -) sin((1/2)x0.25x10-³ 600x10 d) i If the location of the first dark fringe is found to be y₁ = 0.13 [m]. Find w, the width of the central bright fringe.
UNITS; DO NOT WRITE LETTERS). During a lecture demonstration of single-slit diffraction, a laser beam that has a wavelength À = 600 [nm] passes through a vertical slit of gap a = 0.25 [mm] and hits a screen. All angles are in degrees. A diffraction pattern is observed on the screen, as shown in the below figure. O sin (1x600x10 o [m] L a) [:. Considering λ = 600 [nm] and a = 0.25 [mm], the angle corresponding to the first dark fringe (8₂) will be given by: Screen W= y [m] W 0.25x10) sin((1/2)x600x10 0.25x10-3 b) [ Considering = 600 [nm] and a = 0.25 [mm], calculate the angle corresponding to the first dark fringe (0₁) 0₁ = If the angle corresponding to the first dark fringe is found to be 8₁ = 0.24*, and the screen is located at a distance L = 7 [m] from the slit. Calculate y₁, the location of the first dark fringe. y₁ = -) sin((1/2)x0.25x10-³ 600x10 d) i If the location of the first dark fringe is found to be y₁ = 0.13 [m]. Find w, the width of the central bright fringe.
University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter4: Diffraction
Section: Chapter Questions
Problem 57P: (a) What is the minimum angular spread of a 633-nm wavelength He-Ne laser beam that is originally...
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