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Derive Bragg's law. Explain why x-rays and not ? rays are used for crystal structure analysis. What data about crystal structure can be obtained from the x-ray diffraction pattern of a crystal?
written 4.5 years ago by gravatar for teamques10 teamques10 ★ 70k •   modified 4.5 years ago
engineering physics
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written 4.5 years ago by gravatar for teamques10 teamques10 ★ 70k

Bragg's Law refers to the simple equation:

$n\lambda=2d\ sin\theta$.....(1)

Derived (by the English physicists Sir W.H. Bragg) to explain why the cleavage faces of crystals appear to reflect X-ray beams at certain angles of incidence ($\theta$,q). The variable d is the distance between atomic layers in a crystal, and the …

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