Reuben is performing Young's double slit experiment. He observes that the second order bright band of one light source overlaps the third order band of another light source. If the first light source has a wavelength of 660 nm, determine the wavelength of the second light source in nanometers. 330 nm 1320 nm 440 nm 990 nm

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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.