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Pearson Edexcel Advanced Level Physics AS/A-level UNIT 4: Further Mechanics, Fields and Particles January 2024 Authentic Marking Scheme Attached£10.66
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Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Tuesday 9 January 2024
Morning (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.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
•• Answer all questions.
Answer the questions in the spaces provided
– there may 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.
The marks for each question are shown in brackets
– use 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.
Try to answer every question.
• Check your answers if you have time at the end. Turn over
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
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 Which of the following is the number of neutrons in a nucleus of 121
51
Sb?
A 51
B 70
C 121
D 172
(Total for Question 1 = 1 mark)
2 What is the process by which electrons are released from a heated filament?
A excitation
B ionisation
C photoelectric emission
D thermionic emission
(Total for Question 2 = 1 mark)
2
*P73459RA0236*
, 3 A proton travelling at speed v enters a uniform magnetic field.
The magnetic flux density of the field is 45 mT, as shown.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
+
v
45 mT
A force of 1.35 × 10–13 N is exerted on the proton.
Which of the following expressions gives v in m s–1?
1.35 10
13
A
45 1.6 10
19
1.35 10
13
B
45 1.66 10
27
1.35 10
13
C
45 10
3 1.6 10
19
1.35 10
13
D
45 10
3 1.66 10
19
(Total for Question 3 = 1 mark)
4 The structure of nucleons can be investigated using high energy electrons.
Which of the following is the reason high energies are needed?
A to cause annihilation
B to produce individual quarks
C to produce short de Broglie wavelengths
D to overcome the repulsive electrostatic forces
(Total for Question 4 = 1 mark)
3
*P73459RA0336* Turn over
, 5 A potential difference is applied across two parallel metal plates.
Which of the following graphs shows how the electric field strength E varies with
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
distance d from the positive plate?
E E E E
0 d 0 d 0 d 0 d
A B C D
A
B
C
D
(Total for Question 5 = 1 mark)
6 A pion can decay into two leptons.
Which of the following decays is possible?
A π– → e– + ve
B π0 → e– + ve
C π0 → e+ + ve
D π+ → e+ + ve
(Total for Question 6 = 1 mark)
4
*P73459RA0436*
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