Pearson Edexcel GCE Physics Advanced PAPER 1 Advanced Physics I June 2023

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Pearson Edexcel Level 3
GCE
Wednesday 24 May
Afternoon (Time: 1 hour 45
2023
minutes)
referenc
e
9PH0/01  

Physics
Advanced
PAPER 1: Advanced
Physics I
You must have: Total
Scientific calculator, ruler, Marks
protractor

Instructions
•• Use black ink or ball‑point
If pencil is used for diagrams/sketches/graphs it must be dark (HB
• orFill
pen.
B).
in centre number
the boxes andtop
at the candidate number.
of this page with your

•• Answer
name,
the
all questions in the spaces
provided – there may be more space than
you need.
questions.
Information

•• The total mark for this paper is 90.
The marks for each question are shown in
– use this as a guide as to how much time to spend on each question.
• Inbrackets
the question marked with an asterisk (*), marks will be awarded for your
ability to structure your answer logically, showing how the points that you make
are related or follow on from each other where appropriate.
• The list of data, formulae and relationships is printed at the end of this booklet.
Advice

•• Read each question carefully before you start to answer it.

•• Check
Try to answer every
your answers if you have time at the
You are advised to show your working in calculations including units where
question.
appropriate
end. Turn over
.

, Answer ALL questions.

All multiple choice questions must be answered with a cross in the box for the correct answer




AREA
DO NOT WRITE IN THIS
from A to D. If you change your mind about an answer, put a line through the box and then
mark your new answer with a cross .

1 One isotope of oxygen is 178 O.

Which row of the table shows the number of neutrons and the number of protons in a
nucleus of 178O?

Number of neutrons Number of protons
A 8 9
B 8 17
C 9 8
D 17 8




AREA
DO NOT WRITE IN THIS
(Total for Question 1 = 1 mark)

2 A subatomic particle consists of the quark combination u s .

Which of the following is the classification for this particle?

A baryon

B lepton

C meson

D nucleon

(Total for Question 2 = 1 mark)

3 A charged capacitor is discharged through a resistor. The potential difference across the
capacitor halved in a time t. The time constant is T.
AREA
DO NOT WRITE IN THIS


Which of the following is the equation for t ?
ln 2
A t=
T
1
B t = ln
2T
1
C t = T ln
2

D t = T ln 2

(Total for Question 3 = 1 mark)

2


, 4 Muons created in the upper atmosphere can travel towards the Earth’s surface at speeds
close to the speed of light. Changes to the mass and average lifetime of the muons can
then be observed.
DO NOT WRITE IN THIS




Which row of the table describes these changes when muons travel at speeds close to
the speed of light?

Mass Average lifetime
A increases increases
B increases decreases
AREA




C decreases increases
D decreases decreases



(Total for Question 4 = 1 mark)

5 The plan view of a model racing car track is shown. Friction acts between a model
racing car and the track. A car is moving round the track with a constant speed and
DO NOT WRITE IN THIS




reaches point P. Arrows indicating directions North and South are also shown.




N

track
AREA




S




P

The car then slides off the track at P.
DO NOT WRITE IN THIS




Which of the following is the reason why the car slides off the track?

A The centripetal force is acting in the N direction.

B The centripetal force is acting in the S direction.

C The frictional force is equal to the centripetal force.
AREA




D The frictional force is not large enough.

(Total for Question 5 = 1 mark)




3
 Turn
over