Question

In powder diffractometer, the sharpness of the lines is greatly determined by which of the following?

(a) Quality of the sample, size of the slit

(b) Quality of the slit, size of the sample

(c) Thickness of the slit, amount of the sample

(d) Number of slits, composition of the sample

I got this question in my homework.

The origin of the question is X-Ray Diffractometers topic in division X-Ray Spectrometers of Analytical Instrumentation

Answer 1

The correct answer is (b) Quality of the slit, size of the sample

The best explanation: In powder diffractometer, the sharpness of the lines is greatly determined by the quality of the slit and the size of the sample. The slit should be able to produce a fine beam.