Red light of wavelength 630 nm passes through two slits and then onto a screen that is 1.7 m from the slits. The center of the third order bright band on the screen is separated from the central maximum by 0.90 m. A. Determine the frequency of the light. B. Determine the angle of the third-order bright band. C. Determine the slit separation.

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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.