Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International GCSE (9–1)
Thursday 25 May 2023
Paper
Morning (Time: 2 hours)
reference 4PH1/1P 4SD0/1P
Physics
UNIT: 4PH1
Science (Double Award) 4SD0
PAPER: 1P
You must have: Total Marks
Ruler, calculator, Equation Booklet (enclosed)
Instructions
• Use black ink or ball-point pen.
•• IfFillpencil is used for diagrams/sketches/graphs it must be dark (HB or B).
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 the steps in any calculations and state the units.
Information
• The total mark for this paper is 110.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
Advice
• Read each question carefully before you start to answer it.
•• Write your answers neatly and in good English.
Try to answer every question.
• Check your answers if you have time at the end.
Turn over
P71955A
©2023 Pearson Education Ltd. *P71955A0132*
N:1/1/1/1/1/
, FORMULAE
You may find the following formulae useful.
DO NOT WRITE IN THIS AREA
energy transferred = current × voltage × time E = I×V×t
1 1
frequency = f=
time period T
work done W
power = P=
time taken t
energy transferred W
power = P=
time taken t
2π × orbital radius 2×π×r
orbital speed = v=
time period T
(final speed)2 = (initial speed)2 + (2 × acceleration × distance moved)
v2 = u2 + (2 × a × s)
DO NOT WRITE IN THIS AREA
pressure × volume = constant p1 × V1 = p2 × V2
pressure p1 p2
= constant =
temperature T1 T2
Where necessary, assume the acceleration of free fall, g = 10 m/s2.
DO NOT WRITE IN THIS AREA
2
*P71955A0232*
, DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
BLANK PAGE
*P71955A0332*
3
Turn over
, Answer ALL questions.
Some questions must be answered with a cross in a box . If you change your mind about an
DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 This is a question about radioactivity.
(a) Which of these is the unit of activity?
(1)
g A becquerel
B kilogram
C newton
D pascal
(b) Which of these is the correct description of the term half-life?
(1)
D A time taken for the activity of a substance to halve
DO NOT WRITE IN THIS AREA
B half of the time taken for the mass of a substance to decay &
C time taken for the activity to decay completely
D time taken for the mass of a substance to decay twice
(c) A teacher demonstrates how the activity of a radioactive sample changes
with time.
(i) The box gives the names of different pieces of equipment.
ruler stopwatch balance newton meter
H
protractor GM tube voltmeter ammeter
Complete the sentences using words from the box.
DO NOT WRITE IN THIS AREA
(2)
The teacher measures time with a .............................................................. .
The teacher measures the count rate with a .............................................................. and
a counter.
4
*P71955A0432*
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International GCSE (9–1)
Thursday 25 May 2023
Paper
Morning (Time: 2 hours)
reference 4PH1/1P 4SD0/1P
Physics
UNIT: 4PH1
Science (Double Award) 4SD0
PAPER: 1P
You must have: Total Marks
Ruler, calculator, Equation Booklet (enclosed)
Instructions
• Use black ink or ball-point pen.
•• IfFillpencil is used for diagrams/sketches/graphs it must be dark (HB or B).
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 the steps in any calculations and state the units.
Information
• The total mark for this paper is 110.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
Advice
• Read each question carefully before you start to answer it.
•• Write your answers neatly and in good English.
Try to answer every question.
• Check your answers if you have time at the end.
Turn over
P71955A
©2023 Pearson Education Ltd. *P71955A0132*
N:1/1/1/1/1/
, FORMULAE
You may find the following formulae useful.
DO NOT WRITE IN THIS AREA
energy transferred = current × voltage × time E = I×V×t
1 1
frequency = f=
time period T
work done W
power = P=
time taken t
energy transferred W
power = P=
time taken t
2π × orbital radius 2×π×r
orbital speed = v=
time period T
(final speed)2 = (initial speed)2 + (2 × acceleration × distance moved)
v2 = u2 + (2 × a × s)
DO NOT WRITE IN THIS AREA
pressure × volume = constant p1 × V1 = p2 × V2
pressure p1 p2
= constant =
temperature T1 T2
Where necessary, assume the acceleration of free fall, g = 10 m/s2.
DO NOT WRITE IN THIS AREA
2
*P71955A0232*
, DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
BLANK PAGE
*P71955A0332*
3
Turn over
, Answer ALL questions.
Some questions must be answered with a cross in a box . If you change your mind about an
DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 This is a question about radioactivity.
(a) Which of these is the unit of activity?
(1)
g A becquerel
B kilogram
C newton
D pascal
(b) Which of these is the correct description of the term half-life?
(1)
D A time taken for the activity of a substance to halve
DO NOT WRITE IN THIS AREA
B half of the time taken for the mass of a substance to decay &
C time taken for the activity to decay completely
D time taken for the mass of a substance to decay twice
(c) A teacher demonstrates how the activity of a radioactive sample changes
with time.
(i) The box gives the names of different pieces of equipment.
ruler stopwatch balance newton meter
H
protractor GM tube voltmeter ammeter
Complete the sentences using words from the box.
DO NOT WRITE IN THIS AREA
(2)
The teacher measures time with a .............................................................. .
The teacher measures the count rate with a .............................................................. and
a counter.
4
*P71955A0432*
