9702_s02_er - GCE Advanced Level and GCE Advanced...

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2 GCE Advanced Level and GCE Advanced Subsidiary Level Paper 9702/01 Multiple Choice Question Number Key Question Number Key 1 B 21 A 2 B 22 C 3 A 23 B 4 B 24 B 5 C 25 C 6 D 26 B 7 A 27 B 8 D 28 C 9 B 29 D 10 B 30 B 11 B 31 C 12 D 32 A 13 C 33 C 14 C 34 C 15 D 35 C 16 D 36 A 17 C 37 A 18 B 38 C 19 D 39 A 20 B 40 C General comments The paper proved to be very satisfactory, with good discrimination and a relatively high overall facility. The mean mark was 27.3 with a standard deviation of 6.8. It was particularly pleasing that every question gave positive discrimination. Where a question was difficult it was only the able candidates who were able to answer it. There was no question where weak candidates were able to score more highly than able candidates. Approximately 40% of the candidates scored 30 or more. This shows that the vast majority were well prepared for the test and knew the fundamental facts of most of the syllabus items. Each section of the AS syllabus was covered by the test and the intention is that, within each section, there should be a progression of difficulty starting with easier questions and proceeding to more difficult ones. It is difficult to extract any evidence of candidates running out of time on the test but it is important for Teachers to brief their candidates never to spend an undue length of time on any particular question. If a candidate gets stuck on a question just leave it until the end and come back to it if there is time. In this case, be particularly careful to leave a blank box on the answer sheet, hence ensuring that each subsequent answer goes into the correct box. http://www.xtremepapers.net
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3 Comments on specific questions Questions 1 , 10 , 12 , 16 , 17 , 19 , 22 , 24 , 26 , 27 , 30 , 33 , 38 and 39 were straightforward and the marks were correspondingly high. Question 2 is on a topic which is one of the most intellectually difficult parts of the syllabus yet still 40% of candidates managed to get it right. There are two alternative ways of thinking about vector subtraction. They are; what needs to be added to vector Y to get vector X or, and more common, but less easy to use in practice, vector Z = vector X + (- vector Y ). Algebraic questions generally prove to be more difficult for candidates than arithmetical ones so perhaps more practice needs to be done on questions like Questions 11 , (59% correct), 14 (43% correct) and 21 where there were only 16% correct answers, the lowest figure on the paper. Candidates must be careful to answer the question set. It would help if they realised that all the data which they are given is going to be used somewhere in the question. In Question 32 far too many candidates (32%) ignored the factor of 16 and just worked out the resistance of the bulb when hot, 576 Ω. In general, questions on electricity scored less highly than those on other topics. The unfamiliar nature of
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9702_s02_er - GCE Advanced Level and GCE Advanced...

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