Using monochromatic light, an interference pattern is generated on a screen 50.0 cm away from a double slit. The width of the slit is 12 μm. The third dark fringe is 6.0 cm from the center of the central maximum. What is the wavelength of the light used in nanometres?

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Q: Could you please answer ii)

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Q: implications

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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.