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Which of the following shapes are formed by the diffracted radiation in the powder method?

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in Solid State Chemistry by (14.1k points)
Which of the following shapes are formed by the diffracted radiation in the powder method?

(a) Circular

(b) Spherical

(c) Conical

(d) Cubical

This question was addressed to me in examination.

The doubt is from The X-ray Diffraction Experiment topic in chapter X-Ray Diffraction of Solid State Chemistry

1 Answer

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Correct choice is (c) Conical

Explanation: For any set of lattice phases, the diffracted radiation forms the surface of a cone. The only requirement for diffraction is that the planes be at angle Θ to the incident beam, no restriction is placed on the angular orientation of the plane about the axis of the incident beam.

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