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PHYSICS EXAMINATIONS – 2013

PHYSICS EXAMINATIONS – 2013. Bruce Walsh Chief Assessor. REMINDERS. Study design and textbooks Examiners report VASS system SSMS On line marking. GENERAL ADVICE. Mark allocation Writing implements Multiple attempts Logical set out of working. GENERAL ADVICE.

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PHYSICS EXAMINATIONS – 2013

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  1. PHYSICS EXAMINATIONS – 2013 Bruce Walsh Chief Assessor

  2. REMINDERS • Study design and textbooks • Examiners report • VASS system • SSMS • On line marking

  3. GENERAL ADVICE • Mark allocation • Writing implements • Multiple attempts • Logical set out of working

  4. GENERAL ADVICE • Explanations must address specific question. Writing everything can lead to contradictions. Dot points good. Diagrams and formulae can help. • Show working • Use unit in answer box

  5. GENERAL ADVICE • Show numbers substituted into formulae • Formulae (including derived) must be correct • Calculators – sci mode, no truncation • Rounding

  6. GENERAL ADVICE • Answers as simplified decimals • Significant figures • Vectors should originate from point of application • Realistic answers • A

  7. SPECIFIC CONCERNS • Vectors in Newton’s second & constant acceleration equations • Connected bodies • Energy conversion and conservation • Unit conversions • More complex projectile motion

  8. SPECIFIC CONCERNS • Series circuits • Confusion with Faraday’s and Lenz’s laws • Understanding of flux and EMF • Photoelectric effect • Path difference in interference • Distinction between matter & electromagnetic radiation

  9. STATISTICS

  10. STATISTICS

  11. SCALING

  12. 1b) 40%

  13. 2b) 27%

  14. 5b) 43%

  15. 6b) 43%

  16. 6b) 43% cont

  17. 6c) 15%

  18. 6c) 15% cont

  19. 7a) 40%, 7b) 36%

  20. 7c) 41%

  21. 8a) 49%, 8b) 38%

  22. 12b) 43%

  23. 15d) 35%

  24. 17b) 45%, 17c)27%, 17d) 24%

  25. 17b) 45%, 17c)27%

  26. 17d) 24%

  27. 20a) 37%, 20b) 44%

  28. 21a) 41%, 21b) 33%, 21d) 26%

  29. 21a) 41%, 21b) 33%, 21d) 26% cont

  30. 22a) 47%, 22c) 32%

  31. 23a) 35%, 23b) 37%

  32. PROBLEM AREASDETAILED STUDIES

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