In an experiment; the diffraction pattern from single slit was recorded with light of wavelength 700 nm on a screen held 100 cm from the slit: The distance between the first order minima on either side of the central maximum was measured to be 5.9 cm and the corresponding distance for the second order was 12.3 cm. Calculate the average width of the slit using both the first and second order data

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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.