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AQA A-level PHYSICS Paper 2 QP 2020
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AQA A-level PHYSICS Paper 2 QP 2020Please 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 2
Monday 1 June 2020 Afternoon Time allowed: 2 hours
Materials For Examiner’s Use
For this paper you must have:
• a pencil and a ruler Question Mark
• a scientific calculator 1
• a Data and Formulae Booklet. 2
3
Instructions
• Use black ink or black ball-point pen. 4
• Fill in the boxes at the top of this page. 5
• Answer all questions. 6
• You must answer the questions in the spaces provided. Do not write
7–31
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 85.
• You are expected to use a scientific calculator where appropriate.
• A Data and Formulae Booklet is provided as a loose insert.
*JUN207408201*
IB/M/Jun20/E12 7408/2
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
0 1 A perfectly insulated flask contains a sample of metal M at a temperature of –10 °C.
Figure 1 shows how the temperature of the sample changes when energy is
transferred to it at a constant rate of 35 W.
Figure 1
0 1 . 1 State the melting temperature of M.
[1 mark]
temperature = °C
*02*
IB/M/Jun20/7408/2
, 3
Do not write
outside the
0 1 . 2 Explain how the energy transferred to the sample changes the arrangement of the box
atoms during the time interval tA to tB.
[1 mark]
0 1 . 3 State what happens to the potential energy of the atoms and to the kinetic energy of
the atoms during the time interval tA to tB.
[2 marks]
0 1 . 4 Describe how the motion of the atoms changes during the time interval tB to tC.
[1 mark]
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun20/7408/2
, 4
Do not write
outside the
0 1 . 5 The sample has a mass of 0.25 kg. box
Determine the specific heat capacity of M when in the liquid state.
State an appropriate SI unit for your answer.
[3 marks]
specific heat capacity = unit =
0 1 . 6 Table 1 shows the specific latent heats of fusion l for elements that are liquid at
similar temperatures to M.
Table 1
Element Caesium Gallium Mercury Rubidium
l / kJ kg−1 16 80 11 26
M is known to be one of the elements in Table 1.
Identify M.
[2 marks]
M= 10
*04*
IB/M/Jun20/7408/2
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