Two Planes of Atoms in a Crystal Are Separated by 3.25

question 59

Multiple Choice

Two planes of atoms in a crystal are separated by 3.25 × 10^-10 m. How many maxima will there be in the diffraction pattern for x-rays of wavelength 2.0 × 10^-10 m scattered from this crystal?

• A) 4
• B) 2
• C) 3
• D) an infinite number
• E) 1

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