100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
Previously searched by you
AQA A-level PHYSICS 7408/3A Paper 3 Section A Version: 1.0 Final *JUN2374 QUESTION PAPER & MARKING SCHEME/ [MERGED] Marking scheme June 2023083A01* IB/M/Jun23/E10 7408/3A£7.16
Add to cart
AQA A-level PHYSICS 7408/3A Paper 3 Section A Version: 1.0 Final *JUN2374 QUESTION PAPER & MARKING SCHEME/ [MERGED] Marking scheme June 2023083A01* IB/M/Jun23/E10 7408/3A
AQA
A-level
PHYSICS
7408/3A
Paper 3 Section A
Version: 1.0 Final
*JUN2374083A01*
IB/M/Jun23/E10 7408/3A
For Examiner’s Use
Question Mark
1
2
3
TOTAL
Thursday 15 June 2023 Morning
Materials
For this paper you must have:
• a pencil and a ruler
• a scientific calculator
• a...
Candidate signature
I declare this is my own work.
A-level
PHYSICS
Paper 3
Section A
Thursday 15 June 2023 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.
*JUN2374083A01*
IB/M/Jun23/E10 7408/3A
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
0 1 A stroboscope emits bright flashes of white light.
The duration of each flash and the frequency of the flashes can be varied.
Table 1 shows information about the stroboscope.
Table 1
Minimum Maximum
Duration of each flash / μs 60 300
Frequency of flashes / Hz 1 150
The duration of each flash is T1.
The time from the start of a flash to the start of the next flash is T2.
T1
The duty cycle of a stroboscope is defined as .
T2
0 1 . 1 What is the maximum duty cycle of the stroboscope?
Tick () one box.
[1 mark]
6.0 × 10−5
3.0 × 10−4
9.0 × 10−3
4.5 × 10−2
*02*
IB/M/Jun23/7408/3A
, 3
Do not write
outside the
0 1 . 2 Figure 1 shows images produced in an experiment in which a bouncing ball is box
illuminated by a stroboscope.
The stroboscope flashes at a constant frequency.
Figure 1
Suggest why T1 must be very short for this experiment.
[1 mark]
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun23/7408/3A
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller KenzieVaugn. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £7.16. You're not tied to anything after your purchase.
