Coherent light with single wavelength falls on two slits separated by 0.560 mm. In the resulting interference pattern on screen 1.20 m away, adjacent bright fringes are separated by 1.62 mm. What is the wavelength (in nanometers) of the light that falls on the slits? Use formula for the small angles of diffraction.

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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.