GCE AS – NEW AS
B420U10-B420U20-1A
S16-B420U10-1A
PHYSICS – Components 1 and 2
Data Booklet
A clean copy of this booklet should be issued to candidates for their use during each AS Physics
examination.
Centres are asked to issue this booklet to candidates at the start of the AS Physics course to
enable them to become familiar with its contents and layout.
Values and Conversions
Fundamental electronic charge
Mass of an electron
Acceleration due to gravity at sea level
Gravitational field strength at sea level
Planck constant
Speed of light in vacuo
Stefan constant
Wien constant
1 eV = 1·60 × 10–19 J
© WJEC CBAC Ltd.
=
=
=
=
=
=
σ =
W =
e
me
g
g
h
c
1·60 × 10–19 C
9·11 × 10–31 kg
9·81 m s–2
9·81 N kg–1
6·63 × 10–34 J s
3·00 × 108 m s–1
5·67 × 10– 8 W m–2 K– 4
2·90 × 10–3 m K
JD*(S16-B420U10-1A)
2
∆Q
∆t
ρ= m
V
I =
v = u + at
I = nAve
x = 1 ( u + v )t
R=V
I
x = ut + 1 at 2
P = IV = I 2 R = V
R
ρl
R=
A
2
2
v 2 = u2 + 2 ax
∑ F = ma
2
V = E – Ir
W = Fx cosθ
⎡ VOUT ⎤
R
⎢or V ⎥ = R
IN ⎦
total
⎣
1
T =
f
∆E = mg∆h
c = fλ
2
E = 1 kx
λ=
E = 1 mv 2
d sinθ = nλ
V
Vtotal
p = mv
2
2
a∆y
D
2
2
Fx = 1 mv – 1 mu
n=c
v
P = W = ∆E
t
t
useful energy transfer
× 100%
efficiency =
total energy in
nput
n1v1 = n2v2
F = kx
n1 sinθC = n2
σ = F
A
∆l
ε=
l
σ
E=
ε
Ek max = hf – φ
2
2
n1 sinθ1 = n2 sinθ2
p= h
λ
W = 1 Fx
2
λmax = W
T
P = AσT 4
leptons
particle electron
(symbol)
(e –)
quarks
electron
neutrino
(ve )
up
(u)
charge
(e)
–1
0
+
lepton
number
1
1
0
© WJEC CBAC Ltd.
2
3
down
(d)
–
1
3
0
(B420U10-1A)
3
Mathematical Information
SI multipliers
Multiple
Prefix
10 –18
atto
10 –15
Multiple
Prefix
a
103
kilo
k
femto
f
10 6
mega
M
10 –12
pico
p
109
giga
G
10 –9
nano
n
1012
tera
T
micro
μ
1015
peta
P
10 –3
milli
m
1018
exa
E
10 –2
centi
c
1021
zetta
Z
10
–6
Symbol
Symbol
Areas and Volumes
Area of a circle = � r2 =
�d 2
4
Area of a triangle =
Solid
Surface area
1
2
base × height
Volume
rectangular block
2 (lh + hb + lb)
cylinder
2� r (r + h)
� r2 h
sphere
4� r2
4
3
� r
lbh
3
Trigonometry
P
θ
R
sinθ =
PQ
,
PR
Q
cosθ =
QR
,
PR
tanθ =
PQ
,
QR
PR 2 = PQ2 + QR 2
© WJEC CBAC Ltd.
(B420U10-1A)
sinθ = tanθ
cosθ