Question: In the figure, first-order reflection from the reflection planes shown occurs when an x-ray beam of wavelength 1.22 nm makes a 0 = 62.3

In the figure, first-order reflection from the reflection planes shown occurs whenan x-ray beam of wavelength 1.22 nm makes a 0 = 62.3

In the figure, first-order reflection from the reflection planes shown occurs when an x-ray beam of wavelength 1.22 nm makes a 0 = 62.3 with the top face of the crystal. What is the unit cell size a? Number eTextbook and Media Units ao ao X rays Current Attempt in Progress A diffraction grating 29.4 mm wide has 5170 rulings. Light of wavelength 828 nm is incident perpendicularly on the grating. What are the (a) largest, (b) second largest, and (c) third largest values of 0 at which maxima appear on a distant viewing screen? (a) Number Units (b) Number i Units (c) Number i Units eTextbook and Media

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