A double slit pattern is produced by shining a laser light with a wavelength of 550nm on a pair of slits that are separated by a distance d each having a width a. The fringe pattern looks like the one pictured to the right. The screen that the fringes are projected on is a distance of 10m away from the double slit apparatus. a. What is the separation d between the slits? b. What is the approximate width a of the two slits? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 cm cm ст cm

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Diffraction of light

In physics, the term diffraction is defined as the bending of light around the corners of the obstacle. As a light ray passes by an aperture, it bends around the edges or through slits, it spreads out through a narrow opening. The diffracted light will produce fringes of bright and dark or colored bands which are labeled as a diffraction pattern.