There is a 520 nm laser beam that is going through two narrow slits that creates a (interference) pattern at a wall that is 1.55 m from the slits. Calculate: a. Width of the central diffraction maximum on the wall is 4.27 cm. What is its angular width? (in radians) b. Use the radians calculated earlier to calculate the slit width in microns c. Distance of the 3rd diffraction minimum from the center of the patter on the wall d. Index numbers for difference orders where the interference maximum would be missing if the slit separation is 250µm e. If the slits remain at this width, what would the separate distance be if the 6th interference minimum overlapped with the 2nd diffraction minimum

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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.