ow many lines per metre does a diffraction grating have if the 2nd order minimum occurs at an angle of deviation of 16.0o when 530 nm light is used? (3.47 x 105 lines/m)

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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.