OCR (Oxford Cambridge and RSA)
Friday 9 June 2023 – Morning
A Level Physics A
H556/02 Exploring physics
Time allowed: 2 hours 15 minutes
You must have:
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.
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 28 pages.
ADVICE
Read each question carefully before you start your answer.
Section A
You should spend a maximum of 30 minutes on this section.
Write your answer to each question in the box provided.
1 Which of these units is a base unit?
AA
BJ
C m²
DN
Your answer [ ] [1]
2 The accepted value of g is 9.81 m s⁻². In an experiment to verify the value of g, students obtained a
value of 10.20 m s⁻².
What is the percentage difference between the students' value and the accepted value of g?
A 1%
B 2%
C 4%
D 8%
Your answer [ ] [1]
3 Which of these statements is/are true?
1 Antiprotons are hadrons so are subject to the strong nuclear and weak nuclear forces.
2 Neutrons are subject to the weak nuclear force only.
3 The weak nuclear force is the only force that causes a change of quark type.
Friday 9 June 2023 – Morning
A Level Physics A
H556/02 Exploring physics
Time allowed: 2 hours 15 minutes
You must have:
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.
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 28 pages.
ADVICE
Read each question carefully before you start your answer.
Section A
You should spend a maximum of 30 minutes on this section.
Write your answer to each question in the box provided.
1 Which of these units is a base unit?
AA
BJ
C m²
DN
Your answer [ ] [1]
2 The accepted value of g is 9.81 m s⁻². In an experiment to verify the value of g, students obtained a
value of 10.20 m s⁻².
What is the percentage difference between the students' value and the accepted value of g?
A 1%
B 2%
C 4%
D 8%
Your answer [ ] [1]
3 Which of these statements is/are true?
1 Antiprotons are hadrons so are subject to the strong nuclear and weak nuclear forces.
2 Neutrons are subject to the weak nuclear force only.
3 The weak nuclear force is the only force that causes a change of quark type.
