Cambridge International AS & A Level Cambridge International AS & A Level
PHYSICS 9702/12 PHYSICS 9702/12
Paper 1 Multiple Choice February/March 2026 Paper 1 Multiple Choice February/March 2026
1 hour 15 minutes MARK SCHEME
Maximum Mark: 40
You must answer on the multiple choice answer sheet.
*
You will need: Multiple choice answer sheet
Soft clean eraser
Soft pencil (type B or HB is recommended) Published
INSTRUCTIONS
There are forty questions on this paper. Answer all questions.
For each question there are four possible answers A, B, C and D. Choose the one you consider correct This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the
and record your choice in soft pencil on the multiple choice answer sheet. examination.
*
Follow the instructions on the multiple choice answer sheet.
Write in soft pencil. Mark schemes should be read in conjunction with the question paper and the Principal Examiner Report for
Teachers.
Write your name, centre number and candidate number on the multiple choice answer sheet in the
spaces provided unless this has been done for you.
Cambridge International will not enter into discussions about these mark schemes.
Do not use correction fluid or tape.
Do not write on any bar codes. Cambridge International is publishing the mark schemes for the February/March 2026 series for most
You may use a calculator. Cambridge IGCSE, Cambridge International A and AS Level components, and some Cambridge O Level
components.
INFORMATION
The total mark for this paper is 40.
Each correct answer will score one mark.
Any rough working should be done on this question paper.
This document has 20 pages. Any blank pages are indicated.
IB26 03_9702_12/4RP
Cambridge University Press & Assessment 2026 [Turn over
This document consists of 3 printed pages.
Cambridge University Press & Assessment 2026 [Turn over
, 9702/12 Cambridge International AS & A Level – Mark Scheme February/March 2026
2 PUBLISHED
Data
Question Answer Marks
–2
acceleration of free fall g = 9.81 m s
1 D 1
speed of light in free space c = 3.00 108 m s–1 2 B 1
elementary charge e = 1.60 10–19 C 3 D 1
unified atomic mass unit 1 u = 1.66 10–27 kg 4 B 1
rest mass of proton mp = 1.67 10–27 kg 5 D 1
6 A 1
rest mass of electron me = 9.11 10–31 kg
7 A 1
Avogadro constant NA = 6.02 1023 mol–1
8 C 1
molar gas constant R = 8.31 J K–1 mol–1
9 A 1
–23 –1
Boltzmann constant k = 1.38 10 JK
10 C 1
–11 2 –2
gravitational constant G = 6.67 10 N m kg
11 B 1
permittivity of free space 0 = 8.85 10–12 F m–1 12 A 1
1
( = 8.99 109 m F–1)
4 0 13 C 1
Planck constant h = 6.63 10–34 J s 14 B 1
15 C 1
Stefan–Boltzmann constant = 5.67 10–8 W m–2 K–4
16 C 1
17 B 1
Formulae
1
18 C 1
uniformly accelerated motion s = ut + 2
at 2
v 2 = u 2 + 2as 19 C 1
hydrostatic pressure p = gh 20 A 1
upthrust F = gV 21 D 1
fsv 22 D 1
Doppler effect for sound waves fo =
v vs
23 B 1
electric current I = Anvq
24 A 1
resistors in series R = R1 + R2 + ...
25 D 1
1 1 1
resistors in parallel = + + ...
R R1 R2 26 A 1
27 B 1
28 D 1
Cambridge University Press & Assessment 2026 9702/12/F/M/26 Cambridge University Press & Assessment 2026 Page 2 of 3
, 9702/12 Cambridge International AS & A Level – Mark Scheme February/March 2026
3 PUBLISHED
1 km Question Answer Marks
1 What is the value of the ratio ?
1 nm
29 D 1
A 10–12 B 10–6 C 109 D 1012
30 B 1
2 What could reduce systematic errors? 31 A 1
A averaging a large number of measurements
32 B 1
B careful calibration of measuring instruments
33 A 1
C reducing the sample size
34 B 1
D repeating measurements
35 C 1
3 A student measures the current and the potential difference for a resistor in a circuit. 36 C 1
current = (50.00 ± 0.01) mA 37 A 1
potential difference = (500.0 ± 0.1) mV 38 C 1
The measurements are used to calculate the resistance of the resistor. 39 A 1
What is the percentage uncertainty in the calculated resistance? 40 B 1
A 0.0002% B 0.0004% C 0.02% D 0.04%
4 Graphs can be used to represent the motion of an object.
Which relationship between a quantity of motion and a property of a graph is correct?
A Acceleration is the area under a velocity–time graph.
B Acceleration is the gradient of a velocity–time graph.
C Displacement is the gradient of a velocity–time graph.
D Velocity is the area under a displacement–time graph.
5 The water surface in a deep well is 78.0 m below the top of the well.
A person at the top of the well drops a heavy stone down the well.
Air resistance is negligible. The speed of sound in the air is 330 m s–1.
What is the time interval between the person dropping the stone and hearing it hitting the water?
A 3.75 s B 3.99 s C 4.19 s D 4.22 s
Cambridge University Press & Assessment 2026 9702/12/F/M/26 [Turn over Cambridge University Press & Assessment 2026 Page 3 of 3
PHYSICS 9702/12 PHYSICS 9702/12
Paper 1 Multiple Choice February/March 2026 Paper 1 Multiple Choice February/March 2026
1 hour 15 minutes MARK SCHEME
Maximum Mark: 40
You must answer on the multiple choice answer sheet.
*
You will need: Multiple choice answer sheet
Soft clean eraser
Soft pencil (type B or HB is recommended) Published
INSTRUCTIONS
There are forty questions on this paper. Answer all questions.
For each question there are four possible answers A, B, C and D. Choose the one you consider correct This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the
and record your choice in soft pencil on the multiple choice answer sheet. examination.
*
Follow the instructions on the multiple choice answer sheet.
Write in soft pencil. Mark schemes should be read in conjunction with the question paper and the Principal Examiner Report for
Teachers.
Write your name, centre number and candidate number on the multiple choice answer sheet in the
spaces provided unless this has been done for you.
Cambridge International will not enter into discussions about these mark schemes.
Do not use correction fluid or tape.
Do not write on any bar codes. Cambridge International is publishing the mark schemes for the February/March 2026 series for most
You may use a calculator. Cambridge IGCSE, Cambridge International A and AS Level components, and some Cambridge O Level
components.
INFORMATION
The total mark for this paper is 40.
Each correct answer will score one mark.
Any rough working should be done on this question paper.
This document has 20 pages. Any blank pages are indicated.
IB26 03_9702_12/4RP
Cambridge University Press & Assessment 2026 [Turn over
This document consists of 3 printed pages.
Cambridge University Press & Assessment 2026 [Turn over
, 9702/12 Cambridge International AS & A Level – Mark Scheme February/March 2026
2 PUBLISHED
Data
Question Answer Marks
–2
acceleration of free fall g = 9.81 m s
1 D 1
speed of light in free space c = 3.00 108 m s–1 2 B 1
elementary charge e = 1.60 10–19 C 3 D 1
unified atomic mass unit 1 u = 1.66 10–27 kg 4 B 1
rest mass of proton mp = 1.67 10–27 kg 5 D 1
6 A 1
rest mass of electron me = 9.11 10–31 kg
7 A 1
Avogadro constant NA = 6.02 1023 mol–1
8 C 1
molar gas constant R = 8.31 J K–1 mol–1
9 A 1
–23 –1
Boltzmann constant k = 1.38 10 JK
10 C 1
–11 2 –2
gravitational constant G = 6.67 10 N m kg
11 B 1
permittivity of free space 0 = 8.85 10–12 F m–1 12 A 1
1
( = 8.99 109 m F–1)
4 0 13 C 1
Planck constant h = 6.63 10–34 J s 14 B 1
15 C 1
Stefan–Boltzmann constant = 5.67 10–8 W m–2 K–4
16 C 1
17 B 1
Formulae
1
18 C 1
uniformly accelerated motion s = ut + 2
at 2
v 2 = u 2 + 2as 19 C 1
hydrostatic pressure p = gh 20 A 1
upthrust F = gV 21 D 1
fsv 22 D 1
Doppler effect for sound waves fo =
v vs
23 B 1
electric current I = Anvq
24 A 1
resistors in series R = R1 + R2 + ...
25 D 1
1 1 1
resistors in parallel = + + ...
R R1 R2 26 A 1
27 B 1
28 D 1
Cambridge University Press & Assessment 2026 9702/12/F/M/26 Cambridge University Press & Assessment 2026 Page 2 of 3
, 9702/12 Cambridge International AS & A Level – Mark Scheme February/March 2026
3 PUBLISHED
1 km Question Answer Marks
1 What is the value of the ratio ?
1 nm
29 D 1
A 10–12 B 10–6 C 109 D 1012
30 B 1
2 What could reduce systematic errors? 31 A 1
A averaging a large number of measurements
32 B 1
B careful calibration of measuring instruments
33 A 1
C reducing the sample size
34 B 1
D repeating measurements
35 C 1
3 A student measures the current and the potential difference for a resistor in a circuit. 36 C 1
current = (50.00 ± 0.01) mA 37 A 1
potential difference = (500.0 ± 0.1) mV 38 C 1
The measurements are used to calculate the resistance of the resistor. 39 A 1
What is the percentage uncertainty in the calculated resistance? 40 B 1
A 0.0002% B 0.0004% C 0.02% D 0.04%
4 Graphs can be used to represent the motion of an object.
Which relationship between a quantity of motion and a property of a graph is correct?
A Acceleration is the area under a velocity–time graph.
B Acceleration is the gradient of a velocity–time graph.
C Displacement is the gradient of a velocity–time graph.
D Velocity is the area under a displacement–time graph.
5 The water surface in a deep well is 78.0 m below the top of the well.
A person at the top of the well drops a heavy stone down the well.
Air resistance is negligible. The speed of sound in the air is 330 m s–1.
What is the time interval between the person dropping the stone and hearing it hitting the water?
A 3.75 s B 3.99 s C 4.19 s D 4.22 s
Cambridge University Press & Assessment 2026 9702/12/F/M/26 [Turn over Cambridge University Press & Assessment 2026 Page 3 of 3
