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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 $\phi$ (relative to the surface, Fig. 25–38) must the X-rays be directed if the first diffraction maximum is to be observed?

X-ray diffraction by a crystal.

Figure 25-38 X-ray diffraction by a crystal.

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 


Giancoli 7th Edition, Chapter 25, Problem 60


Chapter 25, Problem 60 is solved.

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