Question:

The X-ray diffraction pattern of a monatomic cubic crystal with rigid spherical atoms of radius 1.56 Γ… shows several Bragg reflections of which the reflection appearing at the lowest 2πœƒ value is from (111) plane. If the wavelength of X-ray used is 0.78 Γ…, the Bragg angle (in 2πœƒ, rounded off to one decimal place) corresponding to this reflection and the crystal structure, respectively, are

Updated On: Jul 12, 2024
  • 21.6Β° and body centered cubic
  • 17.6Β° and face centered cubic
  • 10.8Β° and body centered cubic
  • 8.8Β° and face centered cubic
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The Correct Option is B

Solution and Explanation

The correct option is (B) :17.6Β° and face centered cubic
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