A diffraction grating gives a second-order maximum at as angle of 31° for violet light (λ = 4.0 × 102 nm).  If the diffraction grating is 1.0 cm in width, how many lines are on this diffraction grating?

Q: Because the coating is expensive, you want to use a layer that has the minimum thickness possible,…

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A: Solution:   Given Values, Wavelength 1(λ)=400 nmWavelength 2(λ')=500 nmLength (D)=1.1 mDistance…

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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.