aqa 2023 a level physics paper 3 section b astroph
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AQA 2023 A-level PHYSICS Paper 3 Section B Astrophysics Question Paper + Mark scheme [MERGED] June 2023
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A-level
PHYSICS
Paper 3
Section B Astrophysics
Thursday 15 June 2023 Morning Time allowed: The total time for
both sections of this paper is
Materials
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
Question Mark
Use black ink or black ball-point pen.
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 not write 3
outside the box around each page or on blank pages.
4
If you need extra space for your answer(s), use the lined pages at the end of
this book. Write the question number against your answer(s). 5
Do all rough work in this book. Cross through any work you do not want TOTAL
to be marked.
Show all your working.
*JUN23740 3 a01* IB/M/Jun23/E9
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
, 3
Do not write
outside the
0 1 . 3 box
The apparent magnitude of Rigel is 0.11
Calculate, in pc, the distance from Rigel to the Earth.
[2 marks]
distance = pc
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun23/7408/3BA
, 4
Do not write
outside the
0 1 . 4 Figure 1 shows a Hertzsprung–Russell (HR) diagram. box
Figure 1
Draw a line on Figure 1 to show the evolution of the Sun from formation
to white dwarf.
[1 mark]
0 1 . 5 One stage in the evolution of Rigel includes the emission of a gamma ray burst.
Outline the circumstances during which a gamma ray burst will be emitted by Rigel.
[2 marks]
7
*04*
IB/M/Jun23/7408/3BA
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