A thin flake of transparent material (n = 1.48) is used to cover one slit of a double-slit interference arrangement. The central point on the screen is now occupied by what had been the 6th bright side fringe (m = 6). If λ = 598 nm, what is the thickness of the flake in meters?

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Q: In a double slit experiment, the slits are separated by 0.1 mm. The slits are illuminated by 585 nm…

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Q: Consider the sodium doublet vapor lines, which have wavelengths of 589 nm (line a) and 589.6 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.