AQA
A-LEVEL
PHYSICS
7408/3A
Paper 3 Section A
Question Paper + Mark scheme [MERGED]
June 2022
, 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
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
• 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 4
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 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.
*JUN2274083A01*
IB/M/Jun22/E8 7408/3A
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
0 1 Figure 1 shows apparatus used to measure the speed of sound in a steel rod.
Figure 1
The steel rod is suspended from a beam using rubber bands.
When the hammer is in contact with the end L of the steel rod, a circuit is completed
and the signal generator is connected to the oscilloscope.
Figure 2 shows the waveform then displayed on the oscilloscope.
*02*
IB/M/Jun22/7408/3A
, 3
Do not write
outside the
Figure 2 box
0 1 . 1 Which control on the oscilloscope should be used to centre the trace vertically on the
screen?
Tick () one box.
[1 mark]
X-shift
Y-gain
Y-shift
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun22/7408/3A
A-LEVEL
PHYSICS
7408/3A
Paper 3 Section A
Question Paper + Mark scheme [MERGED]
June 2022
, 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
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
• 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 4
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 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.
*JUN2274083A01*
IB/M/Jun22/E8 7408/3A
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
0 1 Figure 1 shows apparatus used to measure the speed of sound in a steel rod.
Figure 1
The steel rod is suspended from a beam using rubber bands.
When the hammer is in contact with the end L of the steel rod, a circuit is completed
and the signal generator is connected to the oscilloscope.
Figure 2 shows the waveform then displayed on the oscilloscope.
*02*
IB/M/Jun22/7408/3A
, 3
Do not write
outside the
Figure 2 box
0 1 . 1 Which control on the oscilloscope should be used to centre the trace vertically on the
screen?
Tick () one box.
[1 mark]
X-shift
Y-gain
Y-shift
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun22/7408/3A