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#O C R A Level Physics B (Advancing Physics) H557/02 Scientific literacy in physics June 2023
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#O C R A Level Physics B (Advancing Physics) H557/02 Scientific literacy in physics June 2023
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#O C RA Level Physics B (Advancing Physics)
H557/02 Scientific literacy in physics
June 2023
Time allowed: 2 hours 15 minutes
You must have:
a clean copy of the Advance Notice Article (inside this
document)
the Data, Formulae and Relationships Booklet
You can use:
a scientific or graphical calculator
a ruler (cm/mm)
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Use the Insert to answer questions in Section C.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 100.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 24 pages.
ADVICE
• Read each question carefully before you start your answer.
2023 [
,Turn over
, 2
SECTION A
1 Digestion is an example of an activation process. The energy required for a particular molecule
to break apart is 1.2 × 10–19 J.
(a) (i) Calculate the Boltzmann factor for this process.
Human body temperature = 310 K
Boltzmann factor =...........................................................[1]
(ii) Explain how an individual particle can gain sufficient energy to complete a reaction
when the energy required is far greater than the average energy of the particles in the
reaction.
...........................................................................................................................................
...........................................................................................................................................
.................................................................................................................................... [2]
2023
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