AQA AS PHYSICS 7407/1 Paper 1 Question Paper + Mark scheme [MERGED] June 2022

AQA

AS

PHYSICS

7407/1

Paper 1

Question Paper + Mark scheme [MERGED]

June 2022

*JUN227407101*

IB/M/Jun22/E8 7407/1

For Examiner’s Use

Question Mark

1

2

3

4

5

6

7

8

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 1

Time allowed: 1 hour 30 minutes

2

*02*

IB/M/Jun22/7407/1

Do not write

outside the

Answer all questions in the spaces provided. box

0 1 A sigma-plus (Σ+

) particle and an unidentified particle Y are produced by the strong

interaction between a positive pion (π+

) and a proton (p).

This interaction is represented by the equation:

 π+ + p → Σ+ + Y

0 1 . 1 Complete Table 1 to show the baryon number B, charge Q and strangeness S for the

particles in this interaction.

[2 marks]

Table 1

π+ p Σ+ Y

B 0

Q +1 +1 +1

S +1

0 1 . 2 Which particle in Table 1 has the quark structure uus?

Tick () one box.

[1 mark]

π+

p

Σ+

Y

3

*03*

Turn over ►

IB/M/Jun22/7407/1

Do not write

outside the

0 1 box . 3 Deduce which particle, π+ or Y, has the greater charge-to-mass ratio.

Justify your conclusion.

[3 marks]

Turn over for the next question

6