Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Time 1 hour 45 minutes
Paper
reference WPH14/01
Physics
International Advanced Level
UNIT 4: Further Mechanics, Fields and Particles
You must have: Total Marks
Scientific calculator, ruler
Instructions
• Use black ink or ball-point pen.
• Fill in theis boxes
If pencil used for diagrams/sketches/graphs it must be dark (HB or B).
• centre number andat candidate
the top of this page with your name,
number.
• Answer all questions.
• – there may
Answer the questions in the spaces provided
be more space than you need.
• Show all your working out in calculations and include units where appropriate.
Information
• The total mark for this paper is 90.
• – usemarks
The for each question are shown in brackets
this as a guide as to how much time to spend on each question.
• Into the question marked with an asterisk (*), marks will be awarded for your ability
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.
• Checkanswer
Try to every question.
• your answers if you have time at the end. Turn over
*P71890RA0132*
P71890RA
©2023 Pearson Education Ltd.
J:1/1/1/1/1/
, SECTION A
Answer ALL questions.
For questions 1–10, in Section A, select one answer from A to D and put a cross in the box .
If you change your mind, put a line through the box and then
mark your new answer with a cross .
1 The table shows the charges on up quarks and down quarks.
Quark Charge / e
2
u +
3
1
d –
3
Which row of the table shows the quark structure of protons and neutrons?
Proton Neutron
A ddd uuu
B ddu uud
C duu ddu
D uuu ddd
(Total for Question 1 = 1 mark)
2 A laboratory centrifuge rotates at 1500 revolutions per minute.
Which of the following expressions gives the angular velocity in radians per second?
1500
A
60 × 2π
60
B
1500 × 2π
60 × 2π
C
1500
1500 × 2π
D
60
(Total for Question 2 = 1 mark)
2
*P71890RA0232*
,3 A nucleus of element X emits an alpha particle to produce the nucleus 233
91
Y.
Which of the following is the correct nucleon structure of element X?
A 95 protons and 235 neutrons
B 93 protons and 144 neutrons
C 93 protons and 237 neutrons
D 89 protons and 138 neutrons
(Total for Question 3 = 1 mark)
4 The diagram shows the track of a charged particle in a magnetic field.
The magnetic field is directed into the page.
X
Y
Which of the following particles could create this track?
A a muon travelling from X to Y
B a positron travelling from Y to X
C a π+ travelling from X to Y
D an electron travelling from Y to X
(Total for Question 4 = 1 mark)
5 Which of the following statements is not a valid conclusion from alpha particle
scattering experiments?
A Most of the atom is empty space.
B Most of the mass of the atom is concentrated in the nucleus.
C The nucleus contains all of the charge of the atom.
D The radius of the nucleus is very small compared to the radius of the atom.
(Total for Question 5 = 1 mark)
3
*P71890RA0332* Turn over
, 6 Point charges of equal magnitude are placed close together, as shown.
– +
Which of the following diagrams shows the electric field around the charges?
– + – +
A B
– + – +
C D
A
B
C
D
(Total for Question 6 = 1 mark)
7 Which of the following statements is true for a cyclotron?
A A cyclotron can be used to accelerate neutrons.
B A cyclotron uses a magnetic field to increase the speed of particles.
C A cyclotron uses an alternating potential difference at a constant frequency.
D A cyclotron uses an electric field to keep particles moving in a circular path.
(Total for Question 7 = 1 mark)
4
*P71890RA0432*
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Time 1 hour 45 minutes
Paper
reference WPH14/01
Physics
International Advanced Level
UNIT 4: Further Mechanics, Fields and Particles
You must have: Total Marks
Scientific calculator, ruler
Instructions
• Use black ink or ball-point pen.
• Fill in theis boxes
If pencil used for diagrams/sketches/graphs it must be dark (HB or B).
• centre number andat candidate
the top of this page with your name,
number.
• Answer all questions.
• – there may
Answer the questions in the spaces provided
be more space than you need.
• Show all your working out in calculations and include units where appropriate.
Information
• The total mark for this paper is 90.
• – usemarks
The for each question are shown in brackets
this as a guide as to how much time to spend on each question.
• Into the question marked with an asterisk (*), marks will be awarded for your ability
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.
• Checkanswer
Try to every question.
• your answers if you have time at the end. Turn over
*P71890RA0132*
P71890RA
©2023 Pearson Education Ltd.
J:1/1/1/1/1/
, SECTION A
Answer ALL questions.
For questions 1–10, in Section A, select one answer from A to D and put a cross in the box .
If you change your mind, put a line through the box and then
mark your new answer with a cross .
1 The table shows the charges on up quarks and down quarks.
Quark Charge / e
2
u +
3
1
d –
3
Which row of the table shows the quark structure of protons and neutrons?
Proton Neutron
A ddd uuu
B ddu uud
C duu ddu
D uuu ddd
(Total for Question 1 = 1 mark)
2 A laboratory centrifuge rotates at 1500 revolutions per minute.
Which of the following expressions gives the angular velocity in radians per second?
1500
A
60 × 2π
60
B
1500 × 2π
60 × 2π
C
1500
1500 × 2π
D
60
(Total for Question 2 = 1 mark)
2
*P71890RA0232*
,3 A nucleus of element X emits an alpha particle to produce the nucleus 233
91
Y.
Which of the following is the correct nucleon structure of element X?
A 95 protons and 235 neutrons
B 93 protons and 144 neutrons
C 93 protons and 237 neutrons
D 89 protons and 138 neutrons
(Total for Question 3 = 1 mark)
4 The diagram shows the track of a charged particle in a magnetic field.
The magnetic field is directed into the page.
X
Y
Which of the following particles could create this track?
A a muon travelling from X to Y
B a positron travelling from Y to X
C a π+ travelling from X to Y
D an electron travelling from Y to X
(Total for Question 4 = 1 mark)
5 Which of the following statements is not a valid conclusion from alpha particle
scattering experiments?
A Most of the atom is empty space.
B Most of the mass of the atom is concentrated in the nucleus.
C The nucleus contains all of the charge of the atom.
D The radius of the nucleus is very small compared to the radius of the atom.
(Total for Question 5 = 1 mark)
3
*P71890RA0332* Turn over
, 6 Point charges of equal magnitude are placed close together, as shown.
– +
Which of the following diagrams shows the electric field around the charges?
– + – +
A B
– + – +
C D
A
B
C
D
(Total for Question 6 = 1 mark)
7 Which of the following statements is true for a cyclotron?
A A cyclotron can be used to accelerate neutrons.
B A cyclotron uses a magnetic field to increase the speed of particles.
C A cyclotron uses an alternating potential difference at a constant frequency.
D A cyclotron uses an electric field to keep particles moving in a circular path.
(Total for Question 7 = 1 mark)
4
*P71890RA0432*
