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
Tuesday 12 May 2020 Morning Time allowed: 1 hour 30 minutes
Materials
For Examiner’s Use
For this paper you must have:
a pencil and a ruler Questio Mark
a scientific calculator n
a Data and Formulae Booklet. 1
2
Instructions 3
Use black ink or black ball-point pen.
4
Fill in the boxes at the top of this page.
Answer all questions. 5
You must answer the questions in the spaces provided. Do 6
not write outside the box around each page or on blank
pages. TOTAL
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.
*jun207407101*
IB/M/Jun20/E8 7407/1
, 2
Do not
write
Answer all questions in the spaces outside the
box
provided.
0 1 One strong interaction that occurs when two high-energy protons collide is
p + p → p + π+ + π− + X
0 1 .1 Determine the lepton number, strangeness and charge of
particle X. [2 marks]
lepton number =
strangeness =
charge =
0 1 .2 Identify particle
X. [1 mark]
*02
IB/M/
* Jun20/7407/1
, 3
Do not
write
0 1. 3 A possible decay of a negative pion is box the
outside
π− → e− + Y
What is particle
Y? Tick (🗸) one
box. [1 mark]
ν�e
ve
π0
1
0n
Question 1 continues on the next page
*03
IB/M/
* Jun20/7407/1
, 4
Do not
write
Turn over ► outside the
*03
IB/M/
* Jun20/7407/1
Centre number Candidate number
Surname
Forename(s)
Candidate signature I declare this is
my own work.
AS
PHYSICS
Paper 1
Tuesday 12 May 2020 Morning Time allowed: 1 hour 30 minutes
Materials
For Examiner’s Use
For this paper you must have:
a pencil and a ruler Questio Mark
a scientific calculator n
a Data and Formulae Booklet. 1
2
Instructions 3
Use black ink or black ball-point pen.
4
Fill in the boxes at the top of this page.
Answer all questions. 5
You must answer the questions in the spaces provided. Do 6
not write outside the box around each page or on blank
pages. TOTAL
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.
*jun207407101*
IB/M/Jun20/E8 7407/1
, 2
Do not
write
Answer all questions in the spaces outside the
box
provided.
0 1 One strong interaction that occurs when two high-energy protons collide is
p + p → p + π+ + π− + X
0 1 .1 Determine the lepton number, strangeness and charge of
particle X. [2 marks]
lepton number =
strangeness =
charge =
0 1 .2 Identify particle
X. [1 mark]
*02
IB/M/
* Jun20/7407/1
, 3
Do not
write
0 1. 3 A possible decay of a negative pion is box the
outside
π− → e− + Y
What is particle
Y? Tick (🗸) one
box. [1 mark]
ν�e
ve
π0
1
0n
Question 1 continues on the next page
*03
IB/M/
* Jun20/7407/1
, 4
Do not
write
Turn over ► outside the
*03
IB/M/
* Jun20/7407/1
