Exam (elaborations)
Physics 2020 AQA Paper 2
- Course
- Institution
Physics 2020 paper 2
[Show more]
Seller
Follow
aymanserroukh
Content preview
Please write clearly in block capitals.Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
AS
PHYSICS
Paper 2
Friday 15 May 2020 Morning Time allowed: 1 hour 30 minutes
Materials
You are advised to spend about
For this paper you must have: 35 minutes on Section C
• a pencil and a ruler
• a scientific calculator For Examiner’s Use
• a Data and Formulae Booklet. Question Mark
1
Instructions
• Use black ink or black ball-point pen. 2
• Fill in the boxes at the top of this page. 3
• Answer all questions.
4
• You must answer the questions in the spaces provided. Do not write
outside the box around each page or on blank pages. 5–34
• 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 70.
• You are expected to use a scientific calculator where appropriate.
• A Data and Formulae Booklet is provided as a loose insert.
*JUN207407201*
IB/M/Jun20/E8 7407/2
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
0 1 A student places a transparent semicircular block on a sheet of paper and draws
around the block. She directs a ray of light at the centre of the flat edge of the block.
Figure 1 shows the path of the ray through the block.
Figure 1
0 1 . 1 State why the emergent ray does not change direction as it leaves the block.
[1 mark]
0 1 . 2 The student draws an arrow on the paper to mark the incident ray. She marks the
path of the emergent ray with crosses A, B and C.
She removes the block from the paper and places a protractor over the outline of the
block, as shown in Figure 2.
*02*
IB/M/Jun20/7407/2
, 3
Do not write
outside the
Figure 2 box
Determine, using Figure 2, the refractive index of the block.
[4 marks]
refractive index =
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun20/7407/2
, 4
Do not write
outside the
The student uses a different method to determine the refractive index of the block. box
She focuses a travelling microscope on some dots on a sheet of paper for each of the
three situations shown in Figure 3.
Figure 3
Table 1 shows the readings made by the student.
Table 1
R0 / mm R1 / mm R2 / mm
5.74 10.31 20.02
*04*
IB/M/Jun20/7407/2
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 or Stuvia-credit 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 aymanserroukh. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.13. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
52510 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now