OCR AS Level Physics A H156/01 Breadth in physics May 2025 Combined
QUESTION PAPER and MARK SCHEME
Oxford Cambridge and RSA
Wednesday 14 May 2025 – Morning
AS Level Physics A
H156/01 Breadth in physics
*187 9 2 148 42 *
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)
• an HB pencil
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 [601/4742/8] OCR is an exempt Charity
DC (DE/SW) 356248/3 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 A metal wire has cross-sectional area of 4.0 × 10–6 m2. The number density of charge carriers in
the metal is 8.5 × 1028 m–3. The current in the wire is 1.5 A.
Calculate the mean drift velocity of the charge carriers.
A 4.4 × 10–6 ms–1
B 2.8 × 10–5 m s–1
C 3.6 × 10–4 m s–1
D 8.2 × 10–4 m s–1
Your answer [1]
2 A beam of length 4.0 m is pivoted at its centre.
Two equal and opposite forces of magnitude 2100 N are applied to opposite ends of the beam, as
shown.
2100 N
beam pivot
40°
40°
2100 N
What is the torque due to the two forces shown?
A 2700 N m
B 3200 N m
C 5400 N m
D 6400 N m
Your answer [1]
© OCR 2025
, 3
3 Four resistors, each of resistance 10 Ω, are connected in a network, as shown.
X Y
What is the total resistance between points X and Y?
A 2.5 Ω
B 10 Ω
C 25 Ω
D 40 Ω
Your answer [1]
4 Which is a possible wavelength of ultraviolet radiation?
A 10–6 m
B 10–8 m
C 10–10 m
D 10–12 m
Your answer [1]
5 The diagram shows a sound wave in an open pipe of length 1.4 m.
1.4 m
The speed of the wave is 330 m s–1.
Calculate the frequency of the wave.
A 160 Hz
B 240 Hz
C 350 Hz
D 710 Hz
Your answer [1]
© OCR 2025 Turn over
, 4
6 Electromagnetic radiation with frequency of 2.2 × 1015 Hz is incident on a clean metal surface.
The work function of the metal is 3.7 eV. Photoelectrons are emitted from the surface of the
metal.
Calculate the maximum kinetic energy of the photoelectrons.
A 5.9 × 10–19 J
B 8.7 × 10–19 J
C 1.5 × 10–18 J
D 2.1 × 10–18 J
Your answer [1]
7 The velocity of an electron is 5% of the speed of light in a vacuum.
Calculate the wavelength of the electron.
A 1.3 × 10–15 m
B 2.6 × 10–14 m
C 2.4 × 10–12 m
D 4.9 × 10–11 m
Your answer [1]
8 The stress-strain graphs for four materials A, B, C and D are shown.
stress
B
A C
D
strain
Which material has the greatest ultimate tensile strength?
Your answer [1]
© OCR 2025
QUESTION PAPER and MARK SCHEME
Oxford Cambridge and RSA
Wednesday 14 May 2025 – Morning
AS Level Physics A
H156/01 Breadth in physics
*187 9 2 148 42 *
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)
• an HB pencil
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 [601/4742/8] OCR is an exempt Charity
DC (DE/SW) 356248/3 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 A metal wire has cross-sectional area of 4.0 × 10–6 m2. The number density of charge carriers in
the metal is 8.5 × 1028 m–3. The current in the wire is 1.5 A.
Calculate the mean drift velocity of the charge carriers.
A 4.4 × 10–6 ms–1
B 2.8 × 10–5 m s–1
C 3.6 × 10–4 m s–1
D 8.2 × 10–4 m s–1
Your answer [1]
2 A beam of length 4.0 m is pivoted at its centre.
Two equal and opposite forces of magnitude 2100 N are applied to opposite ends of the beam, as
shown.
2100 N
beam pivot
40°
40°
2100 N
What is the torque due to the two forces shown?
A 2700 N m
B 3200 N m
C 5400 N m
D 6400 N m
Your answer [1]
© OCR 2025
, 3
3 Four resistors, each of resistance 10 Ω, are connected in a network, as shown.
X Y
What is the total resistance between points X and Y?
A 2.5 Ω
B 10 Ω
C 25 Ω
D 40 Ω
Your answer [1]
4 Which is a possible wavelength of ultraviolet radiation?
A 10–6 m
B 10–8 m
C 10–10 m
D 10–12 m
Your answer [1]
5 The diagram shows a sound wave in an open pipe of length 1.4 m.
1.4 m
The speed of the wave is 330 m s–1.
Calculate the frequency of the wave.
A 160 Hz
B 240 Hz
C 350 Hz
D 710 Hz
Your answer [1]
© OCR 2025 Turn over
, 4
6 Electromagnetic radiation with frequency of 2.2 × 1015 Hz is incident on a clean metal surface.
The work function of the metal is 3.7 eV. Photoelectrons are emitted from the surface of the
metal.
Calculate the maximum kinetic energy of the photoelectrons.
A 5.9 × 10–19 J
B 8.7 × 10–19 J
C 1.5 × 10–18 J
D 2.1 × 10–18 J
Your answer [1]
7 The velocity of an electron is 5% of the speed of light in a vacuum.
Calculate the wavelength of the electron.
A 1.3 × 10–15 m
B 2.6 × 10–14 m
C 2.4 × 10–12 m
D 4.9 × 10–11 m
Your answer [1]
8 The stress-strain graphs for four materials A, B, C and D are shown.
stress
B
A C
D
strain
Which material has the greatest ultimate tensile strength?
Your answer [1]
© OCR 2025
