Cambridge Assessment International Education
Cambridge International Advanced Subsidiary and Advanced Level
PHYSICS 9702/12
Paper 1 Multiple Choice February/March 2019
1 hour 15 minutes
Additional Materials: Multiple Choice Answer Sheet
Soft clean eraser
*5008401313*
Soft pencil (type B or HB is recommended)
READ THESE INSTRUCTIONS FIRST
Write in soft pencil.
Do not use staples, paper clips, glue or correction fluid.
Write your name, centre number and candidate number on the Answer Sheet in the spaces provided
unless this has been done for you.
DO NOT WRITE IN ANY BARCODES.
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 and record your choice in soft pencil on the separate Answer Sheet.
Read the instructions on the Answer Sheet very carefully.
Each correct answer will score one mark. A mark will not be deducted for a wrong answer.
Any working should be done in this booklet.
Electronic calculators may be used.
This document consists of 20 printed pages.
IB19 03_9702_12/4RP
© UCLES 2019 [Turn over
, 2
Data
speed of light in free space c = 3.00 × 108 m s–1
permeability of free space µ0 = 4π × 10–7 H m–1
permittivity of free space ε0 = 8.85 × 10–12 F m–1
1
( = 8.99 × 109 m F–1)
4πε 0
elementary charge e = 1.60 × 10–19 C
the Planck constant h = 6.63 × 10–34 J s
unified atomic mass unit 1 u = 1.66 × 10–27 kg
rest mass of electron me = 9.11 × 10–31 kg
rest mass of proton mp = 1.67 × 10–27 kg
molar gas constant R = 8.31 J K–1 mol–1
the Avogadro constant NA = 6.02 × 1023 mol–1
the Boltzmann constant k = 1.38 × 10–23 J K–1
gravitational constant G = 6.67 × 10–11 N m2 kg–2
acceleration of free fall g = 9.81 m s–2
© UCLES 2019 9702/12/F/M/19
, 3
Formulae
1
uniformly accelerated motion s = ut + 2
at 2
v 2 = u 2 + 2as
work done on/by a gas W = p∆V
gravitational potential φ = – Gm
r
hydrostatic pressure p = ρ gh
pressure of an ideal gas p= 1 Nm <c 2>
3 V
simple harmonic motion a = – ω 2x
velocity of particle in s.h.m. v = v0 cos ω t
v = ±ω ( x 02 − x 2 )
fsv
Doppler effect fo =
v ± vs
electric potential V= Q
4 πε 0r
capacitors in series 1 / C = 1 / C1 + 1 / C2 + . . .
capacitors in parallel C = C1 + C2 + . . .
1
energy of charged capacitor W= 2
QV
electric current I = Anvq
resistors in series R = R1 + R2 + . . .
resistors in parallel 1 / R = 1 / R1 + 1 / R2 + . . .
BI
Hall voltage VH =
ntq
alternating current/voltage x = x0 sin ω t
radioactive decay x = x0 exp(–λt)
decay constant λ = 0.693
t1
2
© UCLES 2019 9702/12/F/M/19 [Turn over
, 4
1 A wave has a frequency of 5 GHz.
What is the period of the wave?
A 200 ps
B 2 ns
C 20 ns
D 20 000 µs
2 At temperatures close to 0 K, the specific heat capacity c of a particular solid is given by c = bT 3,
where T is the temperature and b is a constant, characteristic of the solid.
The SI unit of specific heat capacity is J kg–1 K–1.
What is the unit of constant b, expressed in SI base units?
A m2 s–2 K–3
B m2 s–2 K–4
C kg m2 s–2 K–3
D kg m2 s–2 K–4
3 The speed of an aircraft in still air is 200 km h–1. The wind blows from the west at a speed of
85.0 km h–1.
In which direction must the pilot steer the aircraft in order to fly due north?
A 23.0° east of north
B 23.0° west of north
C 25.2° east of north
D 25.2° west of north
© UCLES 2019 9702/12/F/M/19
Cambridge International Advanced Subsidiary and Advanced Level
PHYSICS 9702/12
Paper 1 Multiple Choice February/March 2019
1 hour 15 minutes
Additional Materials: Multiple Choice Answer Sheet
Soft clean eraser
*5008401313*
Soft pencil (type B or HB is recommended)
READ THESE INSTRUCTIONS FIRST
Write in soft pencil.
Do not use staples, paper clips, glue or correction fluid.
Write your name, centre number and candidate number on the Answer Sheet in the spaces provided
unless this has been done for you.
DO NOT WRITE IN ANY BARCODES.
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 and record your choice in soft pencil on the separate Answer Sheet.
Read the instructions on the Answer Sheet very carefully.
Each correct answer will score one mark. A mark will not be deducted for a wrong answer.
Any working should be done in this booklet.
Electronic calculators may be used.
This document consists of 20 printed pages.
IB19 03_9702_12/4RP
© UCLES 2019 [Turn over
, 2
Data
speed of light in free space c = 3.00 × 108 m s–1
permeability of free space µ0 = 4π × 10–7 H m–1
permittivity of free space ε0 = 8.85 × 10–12 F m–1
1
( = 8.99 × 109 m F–1)
4πε 0
elementary charge e = 1.60 × 10–19 C
the Planck constant h = 6.63 × 10–34 J s
unified atomic mass unit 1 u = 1.66 × 10–27 kg
rest mass of electron me = 9.11 × 10–31 kg
rest mass of proton mp = 1.67 × 10–27 kg
molar gas constant R = 8.31 J K–1 mol–1
the Avogadro constant NA = 6.02 × 1023 mol–1
the Boltzmann constant k = 1.38 × 10–23 J K–1
gravitational constant G = 6.67 × 10–11 N m2 kg–2
acceleration of free fall g = 9.81 m s–2
© UCLES 2019 9702/12/F/M/19
, 3
Formulae
1
uniformly accelerated motion s = ut + 2
at 2
v 2 = u 2 + 2as
work done on/by a gas W = p∆V
gravitational potential φ = – Gm
r
hydrostatic pressure p = ρ gh
pressure of an ideal gas p= 1 Nm <c 2>
3 V
simple harmonic motion a = – ω 2x
velocity of particle in s.h.m. v = v0 cos ω t
v = ±ω ( x 02 − x 2 )
fsv
Doppler effect fo =
v ± vs
electric potential V= Q
4 πε 0r
capacitors in series 1 / C = 1 / C1 + 1 / C2 + . . .
capacitors in parallel C = C1 + C2 + . . .
1
energy of charged capacitor W= 2
QV
electric current I = Anvq
resistors in series R = R1 + R2 + . . .
resistors in parallel 1 / R = 1 / R1 + 1 / R2 + . . .
BI
Hall voltage VH =
ntq
alternating current/voltage x = x0 sin ω t
radioactive decay x = x0 exp(–λt)
decay constant λ = 0.693
t1
2
© UCLES 2019 9702/12/F/M/19 [Turn over
, 4
1 A wave has a frequency of 5 GHz.
What is the period of the wave?
A 200 ps
B 2 ns
C 20 ns
D 20 000 µs
2 At temperatures close to 0 K, the specific heat capacity c of a particular solid is given by c = bT 3,
where T is the temperature and b is a constant, characteristic of the solid.
The SI unit of specific heat capacity is J kg–1 K–1.
What is the unit of constant b, expressed in SI base units?
A m2 s–2 K–3
B m2 s–2 K–4
C kg m2 s–2 K–3
D kg m2 s–2 K–4
3 The speed of an aircraft in still air is 200 km h–1. The wind blows from the west at a speed of
85.0 km h–1.
In which direction must the pilot steer the aircraft in order to fly due north?
A 23.0° east of north
B 23.0° west of north
C 25.2° east of north
D 25.2° west of north
© UCLES 2019 9702/12/F/M/19
