PHYSICS PHYSICS EXAMINATIONS – 2010EXAMINATIONS – 2010

Bruce WalshBruce Walsh

Chief AssessorChief Assessor

GENERAL COMMENTSGENERAL COMMENTS

Study design and textbooksStudy design and textbooks

Examiners report Examiners report

VASS systemVASS system

SSMSSSMS

On line markingOn line marking

REMINDERSREMINDERS

Illegible writingIllegible writing

Multiple attempts at questionMultiple attempts at question

Black or blue pen (pencil??)Black or blue pen (pencil??)

Explanations must address specific Explanations must address specific question. Writing everything can lead to question. Writing everything can lead to contradictions.contradictions.

Explanations – 1 mark per dot pointExplanations – 1 mark per dot point

Show working – some require itShow working – some require it

Excessive rounding off of working Excessive rounding off of working and answersand answers

CalculatorsCalculators

Answers as simplified decimalsAnswers as simplified decimals

Powers of 10 calculationsPowers of 10 calculations

Transformation of equations / Transformation of equations / formulaeformulae

JUNE EXAMINATIONJUNE EXAMINATION

STATISTICSSTATISTICS 6989 students6989 students

Mean = 62%Mean = 62%

Median = 65%Median = 65%

Std dev = 22%Std dev = 22%

Number achieving 100% =6Number achieving 100% =6

Detailed studies (14%, 73%, 12%)Detailed studies (14%, 73%, 12%)

GRADEGRADE MIN (/180)MIN (/180) MIN (%)MIN (%)

A+A+ 162162 9090

AA 150150 8383

B+B+ 136136 7676

BB 119119 6666

C+C+ 9999 5555

CC 8181 4545

D+D+ 6464 3636

DD 5050 2828

E+E+ 3333 1818

EE 1515 88

PROBLEM AREASPROBLEM AREASDETAILED STUDIESDETAILED STUDIES

RELATIVITY (mean 53%)RELATIVITY (mean 53%) 2, 5, 6, 7, 8, 10, 112, 5, 6, 7, 8, 10, 11

MATERIALS & STRUCTURES (mean 78%)MATERIALS & STRUCTURES (mean 78%) Question 8Question 8

FURTHER ELECTRONICS (mean 64%)FURTHER ELECTRONICS (mean 64%) Questions 8, 9, 10, 11Questions 8, 9, 10, 11

NOVEMBER NOVEMBER EXAMINATIONEXAMINATION

STATISTICSSTATISTICS Number of students = 6839Number of students = 6839

Mean = 63%Mean = 63%

Median = 65%Median = 65%

Std dev = 23%Std dev = 23%

Number achieving 100% = ??Number achieving 100% = ??

Detailed studies (16%, 6%, 78%)Detailed studies (16%, 6%, 78%)

GRADEGRADE MIN (/180)MIN (/180) MIN (%)MIN (%)

A+A+ 165165 9292

AA 152152 8484

B+B+ 136136 7676

BB 117117 6565

C+C+ 9696 5353

CC 7777 4343

D+D+ 6060 3333

DD 4545 2525

E+E+ 2828 1616

EE 1616 99

PROBLEM AREASPROBLEM AREASDETAILED STUDIESDETAILED STUDIES

SYNCHROTRON (mean 70%)SYNCHROTRON (mean 70%) Questions 10Questions 10

PHOTONICS (mean 61%)PHOTONICS (mean 61%) Questions 3, 4, 7, 8, 10Questions 3, 4, 7, 8, 10

SOUND (mean 76%)SOUND (mean 76%) Question 13Question 13