Symbols and Units Flashcards
1
Q
Capacitance
A
C
Farads, F
2
Q
Current
A
I
Amps, A
3
Q
Charge
A
Q
Coulombs, C
4
Q
Energy
A
E
Joules, J
5
Q
Voltage
A
V
Volts, V
6
Q
Internal resistance
A
r
Ohms, Ω
7
Q
Resistance
A
R
Ohms, Ω
8
Q
Time
A
t
Seconds, s
9
Q
Power
A
P
Watts, W
10
Q
e.m.f
A
E
Volts, V
11
Q
Supply Voltage
A
Vs
Volts, V
12
Q
Work in an electric field
A
W
Joules, J
13
Q
Mass
A
m
kilograms, kg
14
Q
Speed of light
A
c
metres per second, ms-1
15
Q
Plancks Constant
A
h
Unit in data sheet
16
Q
Frequency
A
f
Hertz, Hz
17
Q
Threshold frequency
A
fo
Hertz, Hz
18
Q
Kinetic energy
A
EK
Joules, J
19
Q
Time period
A
T
Seconds, s
20
Q
Wavelength
A
λ
metres, m
21
Q
Wave speed
A
v
metres per second, ms-1
22
Q
Refractive index
A
n
no units
23
Q
Critical angle
A
ØC
Degrees, O
24
Q
Irradiance
A
I
Watts per square metre, Wm-1
25
Distance
d
metres, m
26
Area
A
Square metres, m2
27
Average speed
v
metres per second, ms-1
28
Average velocity
v
metes per second, ms-1
29
Displacement
s
metres, m
30
Acceleration
a
metres per second per second, ms-2
31
Initial velocity
u
metres per second, ms-1
32
Final velocity
v
metres per second, ms-1
33
Weight
W
Newtons, N
34
Gravitational field strength
g
Newtons per kilogram, Nkg-1 or ms-2
35
Force
F
Newtons, N
36
Work Energy
EW
Joules, J
37
Potential Energy
Ep
Joules, J
38
Height
h
Metres, m
39
Momentum
ρ
kgms-1
40
Redshift
z
no units
41
Hubbles constant
HO
Unit in data sheet
42
Universal Constant of Gravitation
G
Unit in data sheet
43
Observed frequency
fO
Hertz, Hz
44
Source frequency
fs
Hertz, Hz
45
Velocity of source
vs
metres per second, ms-1
46
Observed wavelength
λO
Metres, m
47
Source wavelength
λS
Metres, m
48
Length
l
metres, m
49
Observed length
l'
metres, m
50
Observed time
t'
seconds, s
51
Slit separation
d
metres, m
52
Order of maxima or minima
m
No unit
53
Angle
Ø
Degrees, O
54
Distance between centre of one object and the centre of another object
r
metres, m
55
Gravitational Force of Attraction
F
Newtons, N
