When a certain crystal is illuminated with an X-ray source of unknown wavelength, a first-order X-ray diffraction maximum is observed at an angle of 27.1∘∘. (All angles are measured relative to the Bragg plane.) When illuminated with a different source with a known wavelength 0.126 nm, a second-order maximum is detected at 32∘∘. Part A) What is the distance, in nanometers, between the Bragg planes?  Part B ) What is the wavelength, in nanometers, of the first, source

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Q: A diffraction grating with a line density of 4000 lines/cm catches green (525 nm) and red (700 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.