Coherent light of frequency 6.33x1014 Hz passes through two thin slits and falls on a screen 87.0 cm away. You observe that the third bright fringe occurs at ± 3.10 cm on either side of the central bright fringe. How far apart are the two slits? Express your answer in millimeters.

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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.