AQA
Please write clearly in block capitals.
Centre Candidate
number number
Surname
Forename(s)
Candidate re
signatu
A-level
PHYSICS
Paper 3
Section B Astrophysics
Thursday 15 June 2023 Morning Time allowed: The total time for
Materials
both sections of this paper is
For this paper you must have: 2 hours. You are advised to
a pencil and a ruler spend approximately
a scientific calculator
a Data and Formulae Booklet 50 minutes on this section.
a protractor.
For Examiner’s Use
Instructions
Questio Mark
Use black ink or black ball-point pen. n
Fill in the boxes at the top of this page. 1
Answer all questions.
2
You must answer the questions in the spaces provided. Do A Data and Formulae
not write outside the box around each page or on blank 3Booklet is provided
pages. 4as a loose insert.
If you need extra space for your answer(s), use the lined pages at 5
the end of this book. Write the question number against your
answer(s). TOTAL
Do all rough work in this book. Cross through any work you do *JUN23740
not want to be marked. IB/M/Jun23/
Show all your working.
Information
The marks for questions are shown in brackets.
The maximum mark for this paper is 35.
You are expected to use a scientific calculator where appropriate.
,7408/3BA
, 2
Do not write
outside the
Section B box
Answer all questions in this
section.
0 1 .1 Draw a labelled diagram to define the parsec (pc).
[1 mark]
Table 1 shows data for two stars: Rigel and the Sun.
Table 1
Star Surface temperature / K Absolute magnitude Mass / kg
Rigel 12 000 −7.84 3.6 × 1031
Sun 5700 4.83 2.0 × 1030
0 1 .2 State the spectral class of Rigel.
[1 mark]
*02
IB/M/
* Jun23/7408/3BA
Please write clearly in block capitals.
Centre Candidate
number number
Surname
Forename(s)
Candidate re
signatu
A-level
PHYSICS
Paper 3
Section B Astrophysics
Thursday 15 June 2023 Morning Time allowed: The total time for
Materials
both sections of this paper is
For this paper you must have: 2 hours. You are advised to
a pencil and a ruler spend approximately
a scientific calculator
a Data and Formulae Booklet 50 minutes on this section.
a protractor.
For Examiner’s Use
Instructions
Questio Mark
Use black ink or black ball-point pen. n
Fill in the boxes at the top of this page. 1
Answer all questions.
2
You must answer the questions in the spaces provided. Do A Data and Formulae
not write outside the box around each page or on blank 3Booklet is provided
pages. 4as a loose insert.
If you need extra space for your answer(s), use the lined pages at 5
the end of this book. Write the question number against your
answer(s). TOTAL
Do all rough work in this book. Cross through any work you do *JUN23740
not want to be marked. IB/M/Jun23/
Show all your working.
Information
The marks for questions are shown in brackets.
The maximum mark for this paper is 35.
You are expected to use a scientific calculator where appropriate.
,7408/3BA
, 2
Do not write
outside the
Section B box
Answer all questions in this
section.
0 1 .1 Draw a labelled diagram to define the parsec (pc).
[1 mark]
Table 1 shows data for two stars: Rigel and the Sun.
Table 1
Star Surface temperature / K Absolute magnitude Mass / kg
Rigel 12 000 −7.84 3.6 × 1031
Sun 5700 4.83 2.0 × 1030
0 1 .2 State the spectral class of Rigel.
[1 mark]
*02
IB/M/
* Jun23/7408/3BA