Answered: II FIGURE 25-38 X-ray diffraction by a… | bartleby

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X-rays of wavelength 0.138 nm fall on a crystal whose
atoms, lying in planes, are spaced 0.285 nm apart. At what
angle Φ (relative to the surface, Fig. 25–38) must the X-rays be
directed if the first diffraction maximum is to be observed?

II
FIGURE 25-38 X-ray diffraction by
a crystal.
d sin o

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