X-ray diffraction question - How to illustrate it.?

Question

I'm studying from the IB HL physics syllabus, and there's this:
X-ray diffraction
G.5.5 Explain how X-ray diffraction arises
from the scattering of X-rays in a
crystal.
This may be illustrated using 3 cm equipment.

What is a '3 cm equipment'? I can't find anything about it online!

Anonym · Accepted Answer

It will be microwaves.

Most labs ( school labs ) will have low power 10GHx microwave generator, usually with a small horn that beams the stuff at various targets and you pick up the reflected, refracted ( by wax blocks ), diffracted ,interfered with waves using a small aerial....in my day connected to a microvoltmeter but it will be a computer data logger these days.

X-ray diffraction question - How to illustrate it.?

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