9630 PH02 international as physics specimen
paper 2016
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INTERNATIONAL A-LEVEL
PHYSICS
(9630)
PAPER 2
Specimen 2018 Morning Time allowed: 2 hours
Materials
For this paper you must have:
• a pencil
• a ruler
• a calculator
• a data and formula booklet.
Instructions
• use black ink or ball-point pen
• answer all questions
• show all your working.
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 80 marks.
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
V1.1
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2
Section A
Answer all questions in this section.
0 1 Figure 1 shows a cross-section through an optical fibre used for communications.
Figure 1
0 1 . 1 Identify the part of the fibre labelled X.
[1 mark]
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3
0 1 . 2 Calculate the critical angle for the boundary between the core and X.
[2 marks]
.
angle = degrees
0 1 . 3 The ray leaves the core at Y. At this point the fibre has been bent through an angle
of 30° as shown in Figure 1.
Calculate the value of angle i.
[1 mark]
.
angle = degrees.
0 2 . 1 A metal wire of length 1.4 m has a uniform cross-sectional area of 7.8 × 10 m .
–7 2
Calculate the resistance, R, of the wire.
Resistivity of the metal = 1.7 × 10 Ω m
–8
[2 marks]
.
resistance = Ω
0 2 . 2 The wire is now stretched to twice its original length by a process that keeps its
volume constant. The resistivity of the metal of the wire remains constant.
Show that the resistance increases to 4R.
[2 marks]
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Copyright © 2017 Oxford International AQA Examinations and its licensors. All rights reserved.
paper 2016
written by
AMERICANNURSINGPRO
ClassMerit
Did you know a seller earns an average of $1,500 per year selling their
notes?
Learn more on how to sell. Scan the QR code and turn your study notes into real cash today.
classmerit.com
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INTERNATIONAL A-LEVEL
PHYSICS
(9630)
PAPER 2
Specimen 2018 Morning Time allowed: 2 hours
Materials
For this paper you must have:
• a pencil
• a ruler
• a calculator
• a data and formula booklet.
Instructions
• use black ink or ball-point pen
• answer all questions
• show all your working.
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 80 marks.
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
V1.1
Copyright © 2017 Oxford InternationalDownloaded
AQA Examinations and its licensors. All rights reserved.
by: Want to earn $1,500
Distribution of this document is illegal extra per year?
, classmerit.com — The Marketplace to Buy and Sell Study Materials
2
Section A
Answer all questions in this section.
0 1 Figure 1 shows a cross-section through an optical fibre used for communications.
Figure 1
0 1 . 1 Identify the part of the fibre labelled X.
[1 mark]
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3
0 1 . 2 Calculate the critical angle for the boundary between the core and X.
[2 marks]
.
angle = degrees
0 1 . 3 The ray leaves the core at Y. At this point the fibre has been bent through an angle
of 30° as shown in Figure 1.
Calculate the value of angle i.
[1 mark]
.
angle = degrees.
0 2 . 1 A metal wire of length 1.4 m has a uniform cross-sectional area of 7.8 × 10 m .
–7 2
Calculate the resistance, R, of the wire.
Resistivity of the metal = 1.7 × 10 Ω m
–8
[2 marks]
.
resistance = Ω
0 2 . 2 The wire is now stretched to twice its original length by a process that keeps its
volume constant. The resistivity of the metal of the wire remains constant.
Show that the resistance increases to 4R.
[2 marks]
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V1.1 Distribution of this document is illegal extra per year?
Copyright © 2017 Oxford International AQA Examinations and its licensors. All rights reserved.
