vật lý a level

... good English – organise information clearly – use specialist vocabulary where appropriate. For this paper you must have: l a pencil and a ruler l a calculator l a Data and Formulae Booklet (enclosed). Physics ... (2 marks) 6Xand Y are two lamps. X is rated at 12 V 36 W and Y at 4.5 V 2.0 W. 6 (a) Calculate the current in each lamp when it is operated at its correct working voltage. X A Y A (2 marks) 6 ... information. (7 marks) 1 (b) Each of the particles in the table has an antiparticle. 1 (b) (i) Give one example of a baryon particle and its corresponding antiparticle. particle antiparticle...

Ngày tải lên: 12/03/2014, 15:57

... examiner understands and applies it in the same correct way. As preparation for the standardisation meeting each examiner analyses a number of candidates’ scripts: alternative answers not already ... and published by the Assessment and Qualifications Alliance. The Assessment and Qualifications Alliance (AQA) is a company limited by guarantee registered in England and Wales (company ... change, depending on the content of a particular examination paper. Further copies of this Mark Scheme are available to download from the AQA Website: www.aqa.org.uk Copyright © 2010 AQA...

Ngày tải lên: 12/03/2014, 15:57

... As preparation for standardisation each examiner analyses a number of candidates’ scripts: alternative answers not already covered by the mark scheme are discussed and legislated for. If, after ... acknowledged to a third party even for internal use within the centre. Set and published by the Assessment and Qualifications Alliance. The Assessment and Qualifications Alliance (AQA) ... is a working document, in many cases further developed and expanded on the basis of candidates’ reactions to a particular paper. Assumptions about future mark schemes on the basis of one year’s...

Ngày tải lên: 12/03/2014, 15:57

... Set and published by the Assessment and Qualifications Alliance. The Assessment and Qualifications Alliance (AQA) is a company limited by guarantee registered in England and Wales (company ... the mark scheme covers the students’ responses to questions and that every examiner understands and applies it in the same correct way. As preparation for standardisation each examiner analyses ... any amendments made at the standardisation events which all examiners participate in and is the scheme which was used by them in this examination. The standardisation process ensures that the...

Ngày tải lên: 12/03/2014, 15:57

... questions and that every examiner understands and applies it in the same correct way. As preparation for the standardisation meeting each examiner analyses a number of candidates’ scripts: alternative ... and published by the Assessment and Qualifications Alliance. The Assessment and Qualifications Alliance (AQA) is a company limited by guarantee registered in England and Wales (company ... specialist vocabulary. The form and style of writing may be only partly appropriate. The candidate changes temperature at least once and measures V and I or R. The explanation expected in a...

Ngày tải lên: 12/03/2014, 15:57

... questions and that every examiner understands and applies it in the same correct way. As preparation for standardisation each examiner analyses a number of candidates’ scripts: alternative answers ... of a particular examination paper. Further copies of this Mark Scheme are available from: aqa.org.uk Copyright © 2011 AQA and its licensors. All rights reserved. Copyright AQA retains ... Principal Examiner. It must be stressed that a mark scheme is a working document, in many cases further developed and expanded on the basis of candidates’ reactions to a particular paper. Assumptions...

Ngày tải lên: 12/03/2014, 15:57

... organise information clearly – use specialist vocabulary where appropriate. For this paper you must have: ● a pencil and a ruler ● a calculator ● a Data and Formulae Booklet. Physics A PHYA1 Unit ... marks) (10) (JAN10PHYA101) WMP/Jan10/PHYA1 PHYA1 Centre Number Surname Other Names Candidate Signature Candidate Number General Certificate of Education Advanced Subsidiary Examination January 2010 Time allowed ● 1 hour ... same as a β – particle? (1 mark) 3 (a) (ii) State the changes, if any, in A and Z when X decays. change in A change in Z (2 marks) 3 (b) In the process of β – decay an anti-neutrino is also...

Ngày tải lên: 12/03/2014, 15:57

... where appropriate. For this paper you must have: l a pencil and a ruler l a calculator l a Data and Formulae Booklet. Physics A PHYA1 Unit 1 Particles, Quantum Phenomena and Electricity Wednesday ... symbol, Ac. Write down an equation that represents this decay. (4 marks) 2 (b) A Z Ra is a neutral atom of a different isotope of radium. State a possible value for A and for Z. A: Z: (2 marks) Turn ... 230 V. 5 (a) State what is meant by root mean square voltage. (1 mark) 5 (b) (i) Calculate the peak value of the supply voltage. answer = V (2 marks) 5 (b) (ii) Calculate the average power...

Ngày tải lên: 12/03/2014, 15:57

... (2 marks) 12 (JUN10PHAY101 WMP/Jun10/PHYA1 PHYA1 Centre Number Surname Other Names Candidate Signature Candidate Number General Certificate of Education Advanced Subsidiary Examination June ... for questions are shown in brackets. ● The maximum mark for this paper is 70. ● You are expected to use a calculator where appropriate. ● A Data and Formulae Booklet is provided as a loose insert. ● You ... be marked on your ability to: – use good English – organise information clearly – use specialist vocabulary where appropriate. For this paper you must have: ● a pencil and a ruler ● a calculator ● a...

Ngày tải lên: 12/03/2014, 15:57

... where appropriate. For this paper you must have: l a pencil and a ruler l a calculator l a Data and Formulae Booklet. Physics A PHYA1 Unit 1 Particles, Quantum Phenomena and Electricity Tuesday ... (iii) Calculate the specific charge of an alpha particle, stating an appropriate unit. answer = (4 marks) A Z X→ Y + α 4 2 WMP/Jun11/PHYA1 Copyright © 2011 AQA and its licensors. All rights ... 2 Alpha decay is a process by which an unstable isotope of an element may decay. 2 (i) State what is meant by isotopes. (2 marks) 2 (ii) Complete this equation for alpha decay. (2 marks) ...

Ngày tải lên: 12/03/2014, 15:58

... pencil and a ruler l a calculator l a Data and Formulae Booklet (enclosed). Physics A PHYA2 Unit 2 Mechanics, Materials and Waves Friday 20 January 2012 9.00 am to 10.15 am MarkQuestion For Examiner’s ... order to obtain an accurate and reliable value for the wavelength of the laser light. Your answer should include details of all the measurements and necessary calculations. The quality of your ... prism. (2 marks) 14 (14) 6 56° 30° 60° 30° ray of light WMP/Jan12/PHYA2 PHYA2 Centre Number Surname Other Names Candidate Signature Candidate Number General Certificate of Education Advanced Subsidiary...

Ngày tải lên: 12/03/2014, 15:58

... must have: ● a pencil and a ruler ● a calculator ● a Data and Formulae Booklet (enclosed). Physics A PHYA2 Unit 2 Mechanics, Materials and Waves Friday 25 May 2012 1.30 pm to 2.45 pm MarkQuestion For ... identical springs, each having a spring constant of 85 N m –1 , are shown arranged in parallel and series in Figure 7. Figure 7 A load of 15 N is attached to each arrangement. 5 (b) (i) Calculate ... two ways in which a wave can travel along a slinky spring. Figure 10 7 (a) State and explain which wave is longitudinal. (2 marks) 7 (b) On Figure 10, 7 (b) (i) clearly indicate and label...

Ngày tải lên: 12/03/2014, 15:58

... the candidates’ responses to questions and that every examiner understands and applies it in the same correct way. As preparation for the standardisation meeting each examiner analyses a number ... of assessment remain constant, details will change, depending on the content of a particular examination paper. Further copies of this Mark Scheme are available to download from the AQA Website: ... third party even for internal use within the centre. Set and published by the Assessment and Qualifications Alliance. The Assessment and Qualifications Alliance (AQA) is a company limited...

Ngày tải lên: 12/03/2014, 15:58

... Set and published by the Assessment and Qualifications Alliance. The Assessment and Qualifications Alliance (AQA) is a company limited by guarantee registered in England and Wales (company ... the mark scheme covers the candidates’ responses to questions and that every examiner understands and applies it in the same correct way. As preparation for standardisation each examiner analyses ... General Certificate of Education (A- level) January 2011 Physics A (Specification 2450) PHYA2 Unit 2: Mechanics, materials and waves Final Mark Scheme Mark Scheme – General Certificate...

Ngày tải lên: 12/03/2014, 15:58

... Set and published by the Assessment and Qualifications Alliance. The Assessment and Qualifications Alliance (AQA) is a company limited by guarantee registered in England and Wales (company ... the mark scheme covers the students’ responses to questions and that every examiner understands and applies it in the same correct way. As preparation for standardisation each examiner analyses ... includes any amendments made at the standardisation events which all examiners participate in and is the scheme which was used by them in this examination. The standardisation process ensures that...

Ngày tải lên: 12/03/2014, 15:58

Ngày tải lên: 12/03/2014, 15:59

Ngày tải lên: 12/03/2014, 15:59

Ngày tải lên: 12/03/2014, 15:59

Ngày tải lên: 12/03/2014, 15:59

Ngày tải lên: 12/03/2014, 15:59