AQA AS PHYSICS Paper 2 JUN 2021 QP

*JUN217407201*

IB/M/Jun21/E7 7407/2

For Examiner’s Use

Question Mark

1

2

3

4

5

6–35

TOTAL

Materials

For this paper you must have:

• a pencil and a ruler

• a scientific calculator

• a Data and Formulae Booklet

• a protractor.

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 70.

• You are expected to use a scientific calculator where appropriate.

• A Data and Formulae Booklet is provided as a loose insert.

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

Time allowed: 1 hour 30 minutes

You are advised to spend about

35 minutes on Section C

Your text here 1

 1 / 3

2

*02*

IB/M/Jun21/7407/2

Do not write

outside the Section A box

Answer all questions in this section.

0 1 A student investigates stationary waves using microwaves.

Figure 1 shows a metre ruler fixed to a bench. The student places a microwave

transmitter T at one end of the ruler and a vertical metal reflector R at the other end.

R is at a right angle to the ruler.

Figure 1

The student places a microwave detector D approximately one-third of the distance

from T to R. When T is switched off, the microammeter connected to D reads zero.

When T is switched on, stationary waves are produced between T and R, and the

microammeter registers a current. When the student moves D along the ruler, the

size of the current changes between maximum and minimum values.

 2 / 3

3

*03*

Turn over ►

IB/M/Jun21/7407/2

Do not write

outside the

box The student measures the current at different positions of D along the ruler to identify

a position P of the minimum current.

Figure 2 is a plot of the measurements taken near P.

Figure 2

0 1 . 1 Draw a line of best fit for these data.

[2 marks]

0 1 . 2 State a value for the position of P.

[1 mark]

position of P = cm

Question 1 continues on the next page

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Version 2021
Category AQA Questions and Marking Scheme
Included files pdf
Authors qwivy.com
Pages 40
Language English
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