5) A Young's double slit has a slit separation of 1.55 x 10-5 m on which a monochromatic light beam with wavelength 900 nm is directed. The distance between the third bright fringe and sixth dark fringe on the screen is 0.2 mm a. Find the distance between the slits and the screen

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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.