An optical engineer needs to ensure that the bright fringes from a double-slit are 15.7 mm apart on a detector/ screen that is 1.20 m from the slits. If the slits are illuminated with 633 nm light, how far apart should the slits be? 48.4 μm 74.0 μm 49.5 μm 36.0 μm 8.28 nm   A horizontally polarized beam of light of intensity 100 W/m2 passes through a polarizer with its transmission axis at 40.0° with the vertical. What is the transmitted intensity of this beam of light? 0 W/m2 50 W/m2 64.3 W/m2 58.7 W/m2 41.3 W/m2 Correct answers are underlined can you help explain?

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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.