AQA A
LEVEL
PHYSICS
9702
21MAY
JUNE
2021
Cambridge International AS & A Level
*
PHYSICS 9702/21
9
Paper 2 AS Level Structured Questions May/June 2021
3
8
1 hour 15 minutes
0
1
You must answer on the question paper.
3
No additional materials are needed.
4
INSTRUCTIONS
● Answer all questions.
● Use a black or dark blue pen. You may use an HB pencil for any diagrams or graphs.
● Write your name, centre number and candidate number in the boxes at the top of the page.
● Write your answer to each question in the space provided.
● Do not use an erasable pen or correction fluid.
● Do not write on any bar codes.
● You may use a calculator.
● You should show all your working and use appropriate units.
INFORMATION
● The total mark for this paper is 60.
● The number of marks for each question or part question is shown in brackets [ ].
AQA A LEVEL PHYSICS 9702 21MAY JUNE 2021
This document has 16 pages. Any blank pages are indicated.
DC (DH/CB) 198450/2
© UCLES 2021 [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
( 4πε0
= 8.99 × 109 m F−1)
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 9702/21/M/J/
2021 21
, 3
Formulae
1
uniformly accelerated motion s = ut + at 2
2
v 2 = u 2 + 2as
work done on/by a gas W = pΔV
Gm
gravitational potential φ =−
r
hydrostatic pressure p = ρgh
1 Nm
pressure of an ideal gas p= 〈c 2〉
3 V
simple harmonic motion a = − ω 2x
velocity of particle in s.h.m. v = v0 cos ωt
v = ± ω (x 2
0
- x2)
fsv
Doppler effect fo =
v±v
Qs
electric potential V =
4πε0r
capacitors in series 1/C = 1/C1 + 1/C2 + . . .
capacitors in parallel C = C1 + C2 + . . .
energy of charged capacitor W = 1
QV
2
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 )
0.693
decay constant λ =
t
2
© UCLES 9702/21/M/J/ [Turn over
2021 21
LEVEL
PHYSICS
9702
21MAY
JUNE
2021
Cambridge International AS & A Level
*
PHYSICS 9702/21
9
Paper 2 AS Level Structured Questions May/June 2021
3
8
1 hour 15 minutes
0
1
You must answer on the question paper.
3
No additional materials are needed.
4
INSTRUCTIONS
● Answer all questions.
● Use a black or dark blue pen. You may use an HB pencil for any diagrams or graphs.
● Write your name, centre number and candidate number in the boxes at the top of the page.
● Write your answer to each question in the space provided.
● Do not use an erasable pen or correction fluid.
● Do not write on any bar codes.
● You may use a calculator.
● You should show all your working and use appropriate units.
INFORMATION
● The total mark for this paper is 60.
● The number of marks for each question or part question is shown in brackets [ ].
AQA A LEVEL PHYSICS 9702 21MAY JUNE 2021
This document has 16 pages. Any blank pages are indicated.
DC (DH/CB) 198450/2
© UCLES 2021 [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
( 4πε0
= 8.99 × 109 m F−1)
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 9702/21/M/J/
2021 21
, 3
Formulae
1
uniformly accelerated motion s = ut + at 2
2
v 2 = u 2 + 2as
work done on/by a gas W = pΔV
Gm
gravitational potential φ =−
r
hydrostatic pressure p = ρgh
1 Nm
pressure of an ideal gas p= 〈c 2〉
3 V
simple harmonic motion a = − ω 2x
velocity of particle in s.h.m. v = v0 cos ωt
v = ± ω (x 2
0
- x2)
fsv
Doppler effect fo =
v±v
Qs
electric potential V =
4πε0r
capacitors in series 1/C = 1/C1 + 1/C2 + . . .
capacitors in parallel C = C1 + C2 + . . .
energy of charged capacitor W = 1
QV
2
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 )
0.693
decay constant λ =
t
2
© UCLES 9702/21/M/J/ [Turn over
2021 21
