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AQA AS PHYSICS BEST RATING Paper 1 May 2023 CA$21.74   Add to cart

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AQA AS PHYSICS BEST RATING Paper 1 May 2023

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AQA AS PHYSICS Paper 1 Wednesday 17 May 2023 Morning Time allowed: 1 hour 30 minutes 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-po...

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  • June 6, 2023
  • 37
  • 2022/2023
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AS PHYSICS PPR1


AQA

AS
PHYSICS
Paper 1


Wednesday 17 May 2023 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
 a protractor. 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 outside the box around each page or on blank TOTAL
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.




1

, 2
Do not write
outside the
Answer all questions in the spaces box
provided.


0 1 interaction between a negative kaon (K−) and a proton (p) produces
A strong
an omega-minus (Ω−) particle, a neutral kaon (K0) and an unidentified particle Y.

The interaction
is:
K− + p → Ω− + K0 + Y

Table 1 contains information on the particles in this interaction.

Table 1



K− p Ω− K0 Y


Rest energy / MeV 493.8 938.3 1672 497.8 493.8


Baryon number +1 +1 0


Charge −1e +1e −1e 0


Strangeness −1 0 −3 +1




0 1 .1 Complete Table
1. [2 marks]

0 1 .2 Calculate, in J, the rest energy of
the Ω .−
[2 marks]




rest energy J
=



*02
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, 3
Do not write
outside the
0 1 .3 Suggest how energy is conserved in this box

interaction. Refer to the rest energies of the
particles in Table 1. [2
marks]




The quark structure of the Ω− particle is sss.

The Ω− is unstable. It decays into a proton through a series of decays:

Ω− → Ξ0 + π−

followed
by
Ξ0 → Λ0 + π0

followed
by
Λ0 → p + π−

The Ξ0 and Λ0 are both hadrons.

0 1 .4 Deduce the quark structure of the Λ0
particle.
[4 marks]




quark structure of Λ0 =

Question 1 continues on the next page



*03
IB/M/
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, 4
Do not write
outside the
Turn over ►




*03
IB/M/
* Jun23/7407/1

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