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Pearson Edexcel Level 3 GCE
Wednesday 21 May 2025
Afternoon (Time: 1 hour 30 minutes) Paper
reference 8PH0/02
Physics
Advanced Subsidiary
PAPER 2: Core Physics II
You must have: Total Marks
Scientific calculator and ruler
Data, Formulae and Relationships Booklet (enclosed)
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 in Sections A and B.
Answer the questions in the spaces provided
– there may be more space than you need.
Information
•• The total mark for this paper is 80.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• toIn 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.
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.
You are advised to show your working in calculations including units
where appropriate.
Turn over
P78521A
©2025 Pearson Education Ltd.
Y:1/1/1/1/
*P78521A0128*
, SECTION A
Answer ALL questions.
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All multiple choice questions must be answered with a cross in the box for the correct answer
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 Which of the following are S.I. units for intensity?
A J m–2
B J s–1
C W m–2
D W s–1
(Total for Question 1 = 1 mark)
2
*P78521A0228*
, 2 A diffraction grating was illuminated with light from a laser, as shown.
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diffraction
grating x
θ
laser
D
screen
A series of fringes was observed on the screen. x is the distance between the central
maximum and a bright fringe.
The following measurements were recorded.
D = 2.00 m
x = 35.0 cm
Which of the following is the expression for the diffraction angle θ?
0.35
A sin 1
2.00
2.00
B sin 1
0.35
2.00
C tan 1
0.35
0.35
D tan 1
2.00
(Total for Question 2 = 1 mark)
3
*P78521A0328* Turn over
, 3 When a force F is applied to a spring, the spring extends by a distance x. The spring has
a spring constant k.
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A second identical spring is connected in parallel with the first spring. The same force F
is applied to the arrangement, as shown.
F
What is the extension of this arrangement?
A 0.25x
B 0.5x
C x
D 2x
(Total for Question 3 = 1 mark)
4 Two waves of wavelength λ are produced from two coherent sources. The waves meet at
a point X and constructively interfere.
Which of the following statements could describe the waves at X?
A The phase difference of the waves is π.
B The path difference of the waves is λ.
C The frequency of the resultant wave is reduced.
D The displacement of the resultant wave is 0.
(Total for Question 4 = 1 mark)
4
*P78521A0428*