OCR AS Level Physics B (Advancing Physics) H157/01 Foundations of physics May
2025 QUESTION PAPER and MARK SCHEME
Oxford Cambridge and RSA
Wednesday 14 May 2025 – Morning
AS Level Physics B (Advancing Physics)
H157/01 Foundations of physics
*187 9 5 628 67 *
Time allowed: 1 hour 30 minutes
You must have:
• the Data, Formulae and Relationships Booklet
You can use:
• a scientific or graphical calculator
• a ruler (cm/mm)
* H 1 5 7 0 1 *
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 70.
• The marks for each question are shown in brackets [ ].
• This document has 24 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2025 [601/4744/1] OCR is an exempt Charity
DC (SL/SG) 354786/3 Turn over
, 2
Section A
You should spend a maximum of 25 minutes on this section.
Write your answer to each question in the box provided.
1 The power rating of a device is defined as the typical amount of:
A Electricity used in 1 second
B Energy transferred in 1 second
C Energy wasted by the device in 1 second
D Time taken to transfer 1 joule of energy
Your answer
[1]
2 The diagram shows two rays of light passing through a converging lens.
z
The distance z is called the:
A Focal length
B Focus
C Image length
D Power
Your answer
[1]
© OCR 2025
, 3
3 Which point is best considered an outlier or anomaly?
y
D
C
A
B
0 x
0
Your answer
[1]
4 An analogue signal has amplitude 80 mV and picks up noise of amplitude 5 mV.
The number of useful quantisation levels needed to digitise this signal is equal to:
A log 80
2
5
B log 85
2
5
C log10 80
5
D log10 85
5
Your answer
[1]
5 A typical value for the linear magnification achieved by a light microscope used in a secondary
school is:
A 10–6
B 10–2
C 102
D 106
Your answer
[1]
© OCR 2025 Turn over
, 4
6 Which of the following quantities are vectors?
1 displacement
2 speed
3 impulse
A 1 only
B 2 only
C 1 and 3 only
D All three
Your answer
[1]
7 What is the SI unit of momentum?
A J s–1
B J s–2
C kg ms–1
D kg ms–2
Your answer
[1]
© OCR 2025
2025 QUESTION PAPER and MARK SCHEME
Oxford Cambridge and RSA
Wednesday 14 May 2025 – Morning
AS Level Physics B (Advancing Physics)
H157/01 Foundations of physics
*187 9 5 628 67 *
Time allowed: 1 hour 30 minutes
You must have:
• the Data, Formulae and Relationships Booklet
You can use:
• a scientific or graphical calculator
• a ruler (cm/mm)
* H 1 5 7 0 1 *
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 70.
• The marks for each question are shown in brackets [ ].
• This document has 24 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2025 [601/4744/1] OCR is an exempt Charity
DC (SL/SG) 354786/3 Turn over
, 2
Section A
You should spend a maximum of 25 minutes on this section.
Write your answer to each question in the box provided.
1 The power rating of a device is defined as the typical amount of:
A Electricity used in 1 second
B Energy transferred in 1 second
C Energy wasted by the device in 1 second
D Time taken to transfer 1 joule of energy
Your answer
[1]
2 The diagram shows two rays of light passing through a converging lens.
z
The distance z is called the:
A Focal length
B Focus
C Image length
D Power
Your answer
[1]
© OCR 2025
, 3
3 Which point is best considered an outlier or anomaly?
y
D
C
A
B
0 x
0
Your answer
[1]
4 An analogue signal has amplitude 80 mV and picks up noise of amplitude 5 mV.
The number of useful quantisation levels needed to digitise this signal is equal to:
A log 80
2
5
B log 85
2
5
C log10 80
5
D log10 85
5
Your answer
[1]
5 A typical value for the linear magnification achieved by a light microscope used in a secondary
school is:
A 10–6
B 10–2
C 102
D 106
Your answer
[1]
© OCR 2025 Turn over
, 4
6 Which of the following quantities are vectors?
1 displacement
2 speed
3 impulse
A 1 only
B 2 only
C 1 and 3 only
D All three
Your answer
[1]
7 What is the SI unit of momentum?
A J s–1
B J s–2
C kg ms–1
D kg ms–2
Your answer
[1]
© OCR 2025
