aqa
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 A
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 70 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.
If you need extra space for your answer(s), use the lined pages at the end of TOTAL
this book. Write the question number against your answer(s).
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 45.
You are expected to use a scientific calculator where appropriate.
A Data and Formulae Booklet is provided as a loose insert.
7408/3A
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
0 1 This question is based on a method to determine the resistivity of a wire (required
practical activity 5).
Figure 1 shows a micrometer screw gauge.
Figure 1
Figure 2 shows an enlarged view of the scales.
Figure 2
verified
, 3
Do not write
outside the
0 1 . 1 State, in mm, the resolution of the main scale. box
[1 mark]
resolution = mm
0 1 . 2 What is the reading on the micrometer?
Tick () one box.
[1 mark]
6.22 mm
6.72 mm
6.78 mm
8.22 mm
0 1
. 3 A wire X is placed in the gap between the anvil and the spindle.
State and explain how this gap is closed just before taking a reading of the diameter
of X.
[1 mark]
Question 1 continues on the next page
Turn over ►
verified
, 4
Do not write
outside the
Figure 3 shows a circuit used to determine the resistance per metre of wire X. box
Figure 3
Two terminals are used to mount X on a ruler.
Clips are used to connect a voltmeter across the 1.2 Ω resistor.
When the switch is closed, the voltmeter reading is 931 mV.
The switch is then opened and the voltmeter is connected to X as shown in Figure 4.
Figure 4
verified
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 A
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 70 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.
If you need extra space for your answer(s), use the lined pages at the end of TOTAL
this book. Write the question number against your answer(s).
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 45.
You are expected to use a scientific calculator where appropriate.
A Data and Formulae Booklet is provided as a loose insert.
7408/3A
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
0 1 This question is based on a method to determine the resistivity of a wire (required
practical activity 5).
Figure 1 shows a micrometer screw gauge.
Figure 1
Figure 2 shows an enlarged view of the scales.
Figure 2
verified
, 3
Do not write
outside the
0 1 . 1 State, in mm, the resolution of the main scale. box
[1 mark]
resolution = mm
0 1 . 2 What is the reading on the micrometer?
Tick () one box.
[1 mark]
6.22 mm
6.72 mm
6.78 mm
8.22 mm
0 1
. 3 A wire X is placed in the gap between the anvil and the spindle.
State and explain how this gap is closed just before taking a reading of the diameter
of X.
[1 mark]
Question 1 continues on the next page
Turn over ►
verified
, 4
Do not write
outside the
Figure 3 shows a circuit used to determine the resistance per metre of wire X. box
Figure 3
Two terminals are used to mount X on a ruler.
Clips are used to connect a voltmeter across the 1.2 Ω resistor.
When the switch is closed, the voltmeter reading is 931 mV.
The switch is then opened and the voltmeter is connected to X as shown in Figure 4.
Figure 4
verified
