AQA A LEVEL PHYSICS EXAM PAPER 2 2020

A-level

PHYSICS

Paper 2

Monday 1 June 2020 Afternoon Time allowed: 2 hours

Materials

For this paper you must have:

• a pencil and a ruler

• a scientific calculator

• a Data and Formulae Booklet.

Instructions

• Use black ink or black ball-point pen.

• Fill in the boxes at the top of this page.

• Answer all questions.

• You must answer the questions in the spaces provided. Do not write

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

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.

For Examiner’s Use

Question Mark

1

2

3

4

5

6

7–31

TOTAL

Please write clearly in block capitals.

Centre number Candidate number

Surname

Forename(s)

Candidate signature

I declare this is my own work.

 1 / 4

*JUN20740 201*

IB/M/Jun20/E12 7408/2

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2

Do not write

outside the

*02*

IB/M/Jun20/7408/2

Section A

Answer all questions in this section.

box

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

. State the melting temperature of M.

[1 mark]

temperature = °C

0 1

 3 / 4

3

Do not write

outside the

*03*

IB/M/Jun20/7408/2

. Explain how the energy transferred to the sample changes the arrangement of the

atoms during the time interval tA to tB.

box

[1 mark]

. 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]

. Describe how the motion of the atoms changes during the time interval tB to tC.

[1 mark]

Question 1 continues on the next page

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