xenon occurs from crystal planes that have a d-spacing of 618 pm and the wavelength ofthe
X-ray radiation is 154 pm?
更新1:
working out please!
Confusing chem question?
2017-10-31 4:02 pm
What is the diffraction angle, e, when second order diffraction (i.e. n = 2) from a crystal of
xenon occurs from crystal planes that have a d-spacing of 618 pm and the wavelength ofthe
X-ray radiation is 154 pm?
xenon occurs from crystal planes that have a d-spacing of 618 pm and the wavelength ofthe
X-ray radiation is 154 pm?
回答 (1)
2017-10-31 4:24 pm
✔ 最佳答案
2 d sinθ = n λ2 × (618 pm) × sinθ = 2 × (154 pm)
sinθ = 154/618
Diffraction angle, θ = 14.4°
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