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August 2006 Newsletter Quiz.


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Test your knowledge of  basic XRD.
1. What Beta filter is used for a Molybdenum X-ray tube?
Vanadium
Manganese
Zirconium
Iron
2. How many Space Groups have Cubic symmetry?
35
36
37
38
3. What is the diameter of a Debye- Scherrer camera that produces a film where 1 degree=1mm?
11.46cm
5.73cm
10.44cm
7.53cm
4. What year was the PDF card 33-1161 issued?
1963
1983
1993
1973
5. What is the reference number for the NIST flat plate corundum standard?
SRM671
SRM1976
SMR676
SRM640
6. What white mineral effervesces in HCl and has a strong peak at ~30° -Cu Kα ?
Witherite
Magnesite
Calcite
Siderite
7. What word describes a particle with the long dimension 15 or more times the other dimensions?
Acicular
Accicular
Asicular
Ascicular
8. Which mineral is the hardest?
Apatite
Calcite
Fluorspar
Graphite
9. Work with X-rays is governed in the UK by legislation is it?
The Ionising Radiations Regulations 1999
The Ionising Radiations Regulations 1977
The Ionising Radiations Regulations 1998
The Ionising Radiations Regulations 2005
10. What is the wavelegth of Molybdenum Kaplha1 in Å?
1.7093
0.7093
0.9073
1.5406
 


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Last updated 22-August-2006
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