As an admirer of Thomas Young, you perform a double-slit experiment in his honor
ID: 1310402 • Letter: A
Question
As an admirer of Thomas Young, you perform a double-slit experiment in his honor. You set your slits 1.01 mm apart and position your screen 3.63 m from the slits. While Young had to struggle to achieve a monochromatic light beam of sufficient intensity, you simply turn on a laser with a wavelength of 647 nm. How far on the screen are the first bright fringe and the second dark fringe from the central bright fringe? Express your answers in millimeters.
As an admirer of Thomas Young, you perform a double-slit experiment in his honor. You set your slits 1.01 mm apart and position your screen 3.63 m from the slits. While Young had to struggle to achieve a monochromatic light beam o sufficient intensity, you simply turn on a laser with a wavelength of 647 nm, How far on the screen are the first bright fringe and the second dark fringe form the central bright fringe? Express your answers in millimeters. First bright fringe: Second dark fringe:Explanation / Answer
distance of first bright fringe from the central fringe= D*lambda/d
= 2.32 mm
distance of second dark fringe= (3/2)*D*lambda/d
= 3.48 mm
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