(Q29-Q30) A double-slit interference pattern is observed on a screen 1.2 m behind two slits spaced 0.30 mm apart. Q29. What is the path-length difference from the two slits to fringe B on the screen in terms of wavelength λ? Α. Ο

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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.