AQA A-LEVEL PHYSICS Paper 3 Section B Astrophysics QP JUNE 2025
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
PHYSICS
Paper 3
Section B Astrophysics
Tuesday 17 June 2025 Morning
Time allowed: The total
Materials time for both sections of
For this paper you must have:
a pencil and a ruler this paper is
a scientific calculator 2 hours. You are advised to
a Data and Formulae Booklet spend approximately
a protractor.
50 minutes on this section.
Instructions
Use black ink or black ball-point pen.
Fill in the boxes at the top of this page.
For Examiner’s Use
Answer all questions.
You must answer the questions in the spaces provided. Do IB/M/Jun25/G4006/E7
Question Mark
not write outside the box around each page or on blank 1
pages.
2
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 3
answer(s). 4
Do all rough work in this book. Cross through any work you do 5
not want to be marked.
Show all your working. TOTAL
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.
A Data and Formulae Booklet is provided as a loose insert.
, more : ty rio npa per s. com
for 7 4 0 BA
, 2
Do not
write
Section B outside
box the
Answer all questions in this
section.
0 1 HIP 56948 is a star with a black-body temperature of 5800 K. The star is at
a distance of 210 ly from the Sun.
0 1 .1
Sketch, on Figure 1, the black-body curve for HIP
56948. Label the wavelength axis with a suitable
scale and unit. [3 marks]
Figure 1
0 1 .2
The diameter of HIP 56948 is the same as the diameter of the
Sun. Suggest a value for the absolute magnitude of HIP 56948.
[1 mark]
absolute magnitude =
0 1 .3
Astronomers study HIP 56948 in their search for Earth-like exoplanets
because HIP 56948 is similar to the Sun.
Suggest one difficulty in detecting an Earth-like planet around HIP 56948.
[1 mark]
5
for more: tyrionpapers.com
IB/M/
Jun25/7408/3BA
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
PHYSICS
Paper 3
Section B Astrophysics
Tuesday 17 June 2025 Morning
Time allowed: The total
Materials time for both sections of
For this paper you must have:
a pencil and a ruler this paper is
a scientific calculator 2 hours. You are advised to
a Data and Formulae Booklet spend approximately
a protractor.
50 minutes on this section.
Instructions
Use black ink or black ball-point pen.
Fill in the boxes at the top of this page.
For Examiner’s Use
Answer all questions.
You must answer the questions in the spaces provided. Do IB/M/Jun25/G4006/E7
Question Mark
not write outside the box around each page or on blank 1
pages.
2
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 3
answer(s). 4
Do all rough work in this book. Cross through any work you do 5
not want to be marked.
Show all your working. TOTAL
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.
A Data and Formulae Booklet is provided as a loose insert.
, more : ty rio npa per s. com
for 7 4 0 BA
, 2
Do not
write
Section B outside
box the
Answer all questions in this
section.
0 1 HIP 56948 is a star with a black-body temperature of 5800 K. The star is at
a distance of 210 ly from the Sun.
0 1 .1
Sketch, on Figure 1, the black-body curve for HIP
56948. Label the wavelength axis with a suitable
scale and unit. [3 marks]
Figure 1
0 1 .2
The diameter of HIP 56948 is the same as the diameter of the
Sun. Suggest a value for the absolute magnitude of HIP 56948.
[1 mark]
absolute magnitude =
0 1 .3
Astronomers study HIP 56948 in their search for Earth-like exoplanets
because HIP 56948 is similar to the Sun.
Suggest one difficulty in detecting an Earth-like planet around HIP 56948.
[1 mark]
5
for more: tyrionpapers.com
IB/M/
Jun25/7408/3BA
