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Final Marks with Comments

Question	Mark	Comment
1	5/10	(see model answer)
2	7/10	Question actually asked for a diagram of setup without a secondary monochromator
3	4/10	(ii) and (iv) wrong
4	4/10	Good attempt, but missed the point in places
5	2/10	(i) to (iii) not attempted
6	7/10	(i) 2 out of 3 of the symmetry axes given (ii) 22 is not a valid point group (iii) excellent (iv) need to swop h and k indices
7	5/10	Excellent for (i) and (ii), followed by errors in later parts
8	0/10	Not attempted
9	3/10	Weak answer to (i) and (ii) only
10	5/10	Excellent for (i), but followed by errors in (ii)
11	5/10	Slightly off-target re Hanawalt index, which is based on 3 peaks
12	0/10	Hardly attempted
13	2/10	Only (i) and (ii) attempted
14	1/10	Only (i) and (ii) attempted
15	0/10	Out of time?