Pearson Edexcel GCE Physics Advanced Subsidiary PAPER 2 Core Physics II June 2023

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Pearson Edexcel Level 3
GCE
Wednesday 24 May
Afternoon (Time: 1 hour 30
2023
minutes)
referenc
e
8PH0/02  

Physics
Advanced Subsidiary
PAPER 2: Core
Physics II
You must have: Total
Scientific calculator, Marks
ruler


Instructions
•• Use black ink or ball-point
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
• number.
centre
pen. number and candidate
Answer all questions in Sections A
• and
Answer
name, B. –the
there
than you need.
may beinmore
questions space
the spaces

provided
Information
•• The total mark for this paper is
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• 80.
In 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.
• Try
•• Check
to answer every
your answers if you have time at the
You are advised to show your working in calculations including units
question.
where Turn over
end.
appropriate.

, SECTION A

Answer ALL questions.




AREA
DO NOT WRITE IN THIS
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 The wavelength of light emitted from a laser can be determined using a diffraction
grating. The equation used to calculate the wavelength is

nλ = d sin θ

Which row of the table shows possible units for n and d?


n d

A no unit mm–1




AREA
DO NOT WRITE IN THIS
B no unit mm

C mm no unit

D mm–1 no unit

(Total for Question 1 = 1 mark)

2 A student carries out an investigation to determine the Young modulus of a material.

Which of the following gives two measuring instruments the student should use?

A calipers and stopwatch

B metre rule and micrometer

C metre rule and stopwatch

D micrometer and calipers
AREA
DO NOT WRITE IN THIS

(Total for Question 2 = 1 mark)




2


, 3 A 2‑beam oscilloscope is used to determine the speed of sound in air. The oscilloscope
screen shown displays the signal used to produce the sound wave.
DO NOT WRITE IN THIS
AREA




(Source: © Dorling Kindersley/UIG/SCIENCE PHOTO LIBRARY)

The time‑base is set to 50 µs / division.

Which of the following gives the frequency, in Hz, of the signal?

A 5 × 50 × 10–6
DO NOT WRITE IN THIS




B 2.5 × 50 × 10–6

1
C
5 × 50 ×10−6

1
D
2.5 × 50 ×10−6
AREA




(Total for Question 3 = 1 mark)

4 A ball bearing falling freely through a liquid reaches terminal velocity. The terminal
velocity is determined by measuring the time taken for the ball bearing to fall a
measured distance.
The measured distance has a percentage uncertainty X.
The measured time has a percentage uncertainty Y.
DO NOT WRITE IN THIS




Which of the following gives the percentage uncertainty in the value for the terminal
velocity of the ball bearing?

A X+Y

B XY

X
AREA




C
Y
D X–Y

(Total for Question 4 = 1 mark)

3
 Turn
over