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Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signatu re
I declare this is my own work.
A-level
PHYSICS
Paper 3
Section B Astrophysics
Monday 17 June 2024 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
• Use black ink or black ball-point pen. Question Mark
• 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
outside the box around each page or on blank pages. 3
• If you need extra space for your answer(s), use the lined pages at the end of 4
this book. Write the question number against your answer(s).
TOTAL
• Do all rough work in this book. Cross through any work you do not want
to be marked.
• 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.
• A Data and Formulae Booklet is provided as a loose insert.
IB/M/Jun24/E6 7408/3BA
, 2
Do not write
outside the
Section B box
Answer all questions in this section.
0 1 A student uses a refracting telescope in normal adjustment to make
observations of Jupiter.
The telescope has an angular magnification of 75
0 1
. 1 The eyepiece has a focal length of 22 mm.
Determine the distance between the eyepiece and the objective lens.
[2 marks]
distance = m
0 1 . 2 When viewed through the telescope, the image of Jupiter subtends an angle
of 1.7 × 10−2 rad.
Calculate, in km, the distance between the Earth and Jupiter.
mean radius of Jupiter = 7.0 × 104 km
[2 marks]
distance = km
IB/M/Jun24/7408/3BA
, 3
Do not write
outside the
The student places a cap over one end of the telescope. The cap has a circular hole box
in its centre.
Figure 1 shows the end of the telescope, the objective lens and the cap.
Figure 1
0 1
. 3 State and explain the effect that the addition of the cap has on the chromatic
aberration caused by the lens.
[3 marks]
0 1 . 4 Explain two other effects that the addition of the cap has on the image of Jupiter.
[4 marks]
1
2
11
IB/M/Jun24/7408/3BA
, 4
Do not write
outside the
Turn over ► box
IB/M/Jun24/7408/3BA
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signatu re
I declare this is my own work.
A-level
PHYSICS
Paper 3
Section B Astrophysics
Monday 17 June 2024 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
• Use black ink or black ball-point pen. Question Mark
• 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
outside the box around each page or on blank pages. 3
• If you need extra space for your answer(s), use the lined pages at the end of 4
this book. Write the question number against your answer(s).
TOTAL
• Do all rough work in this book. Cross through any work you do not want
to be marked.
• 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.
• A Data and Formulae Booklet is provided as a loose insert.
IB/M/Jun24/E6 7408/3BA
, 2
Do not write
outside the
Section B box
Answer all questions in this section.
0 1 A student uses a refracting telescope in normal adjustment to make
observations of Jupiter.
The telescope has an angular magnification of 75
0 1
. 1 The eyepiece has a focal length of 22 mm.
Determine the distance between the eyepiece and the objective lens.
[2 marks]
distance = m
0 1 . 2 When viewed through the telescope, the image of Jupiter subtends an angle
of 1.7 × 10−2 rad.
Calculate, in km, the distance between the Earth and Jupiter.
mean radius of Jupiter = 7.0 × 104 km
[2 marks]
distance = km
IB/M/Jun24/7408/3BA
, 3
Do not write
outside the
The student places a cap over one end of the telescope. The cap has a circular hole box
in its centre.
Figure 1 shows the end of the telescope, the objective lens and the cap.
Figure 1
0 1
. 3 State and explain the effect that the addition of the cap has on the chromatic
aberration caused by the lens.
[3 marks]
0 1 . 4 Explain two other effects that the addition of the cap has on the image of Jupiter.
[4 marks]
1
2
11
IB/M/Jun24/7408/3BA
, 4
Do not write
outside the
Turn over ► box
IB/M/Jun24/7408/3BA
