pearson edexcel international gcse 9–1 physics unit 4ph1 science double award 4ph14sd0 paper 1p 2021
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Edexcel Physics Unit: 4PH1 Science P1 QP
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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)
Tuesday 12 January 2021
Morning (Time: 2 hours) Paper Reference 4PH1/1P 4SD0/1P
Physics
Unit: 4PH1
Science (Double Award) 4PH1/4SD0
Paper: 1P
You must have: Total Marks
Ruler, calculator, protractor
Instructions
• Use black ink or ball-point pen.
• centrethe
Fill in boxes at the top of this page with your name,
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.
• Some questions must be answered with a cross in a box . If you change your
mind about an answer, put a line through the box and then mark your new
answer with a cross .
Information
• The total mark for this paper is 110.
• – usemarks
The for each question are shown in brackets
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.
• Try toyour
Write answers neatly and in good English.
• Checkanswer every question.
• your answers if you have time at the end.
Turn over
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
2
orbital radius 2
r
orbital speed v
time period T
(final speed)2 = (initial speed)2 + (2 × acceleration × distance moved)
v 2 u 2
(2
a
s )
p1 V1
p2 V2
pressure × volume = constant
pressure p1 p2
= constan t =
temperature T1 T2
Where necessary, assume the acceleration of free fall, g = 10 m/s2.
2
*P68386A0232*
, Answer ALL questions.
1 The passage describes the evolution of a star with a mass that is much larger than the
mass of the Sun.
Use words or phrases from the box to complete the passage.
Each word or phrase may be used once, more than once, or not at all.
(6)
chemical contract expand gravitational
kinetic main sequence neutron star nuclear
protostar supernova vibrate white dwarf
Hydrogen atoms in a nebula move towards each other due to the force of gravity.
As the atoms move towards each other, their .......................................................................................... energy
store increases, which increases the temperature. If the temperature becomes
high enough, nuclear fusion of hydrogen will start and the star enters the
(ii) In the time between the two photographs, the car travels a distance of 6.5 m.
Calculate the average speed of the car.
(2)
average speed = ................................... ............... . . . . . . . . . . m/s
(iii) The speed limit of the road is 80 kilometres per hour.
Determine whether the car is exceeding the speed limit.
(2)
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