The condition of diffraction from a crystal is given by______________?
Correct answer: A. nλ = 2d Sin θ
- A. nλ = 2d Sin θ
- B. λ = d Sin 2θ
- C. λ = 2d Sin 2θ
- D. nλ = d Sin θ
Explanation
Diffraction from successive crystal planes follows Bragg's law, nλ = 2d sin θ, where d is the interplanar spacing and θ is the glancing angle. The factor n represents the order of diffraction.
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