Welcome to all

Welcome to all

Welcome to all

Welcome to all

Welcome to All

Send me an e-mail if you find something useful to add to these lists –samareshdattaand@gmail.com/dattas81@gmail.com/drashumishra1970@gmail.com

Latin Symbols in Physics & Chemistry (items in bold are vectors)

a	acceleration (m/s2)
A	ampere (S.I. unit of current, fundamental)
A	amplitude (typically m)
B	magnetic field (T)
B	bulk modulus (N/m2)
c	specific heat capacity (J/(kg*K))
c	speed of light (m/s)
C	molar heat capacity (J/(mol*K))
C	coulomb (S.I. unit of charge = A*s)
cal	calorie (non-S.I. unit of energy = 4.186 J)
Cal	Calorie or kcal (non-S.I. unit of energy = 4186 J)
d	distance (m)
dB	decibels (non-S.I. unit of intensity)
e	magnitude of charge of an electron (C)
e	efficiency (dimensionless)
eV	electron-Volt (non-S.I. unit of energy = 1.60E-19 J)
E	energy (J)
E	electric field (N/C)
f	frequency (Hz. or s-1)
f	friction force (N)
f	focal length (m)
F	force (N)
F	farad, S.I. unit of capacitance = A2*s4/(kg*m2)
g	magnitude of free fall acceleration ≈ 9.80 m/s2
g	gram (non-S.I. unit of mass = 0.001 kg)
G	universal gravitational constant
h	Plank’s constant (6.63E-34 J*s)
h	height (m)
Hz	hertz, S.I. unit of frequency = s-1
i, I	current (A)
I	moment of inertia, kg*m2
I	intensity, W/m2
j	current density, A/m2
j	impulse, kg*m/s
J	joule, S.I. unit of energy = kg*m2/s2
k	Boltzmann’s constant, J/K
k	spring constant, N/m
k	thermal conductivity, W/(m*K)
k	wave number, rad/m
kg	kilogram, S.I. unit of mass, fundamental
K	kelvin, S.I. unit of temperature, fundamental
K	kinetic energy, J
l	length, m
L	liter, non-S.I. unit of volume
L	latent heat, J/kg
L	angular momentum (J*s)
m	mass, kg
m	meter (S.I. unit of distance)
n	index of refraction (dimensionless)
n	number of moles
N	number of particles
N	newton (S.I. unit of force = kg*m/s2)
N	normal force (N)
NA	Avogadro’s number
p	momentum (kg*m/s)
p, P	pressure (Pa = N/m2 = kg/(m*s2)
P	power (W)
q, Q	charge (C)
Q	heat (J)
r	radius variable (m)
R	fixed radius (m)
R	ideal gas constant (8.31 J/(mol*K))
R	resistance (Ω)
s	seconds (S.I. unit of time)
s	generic position, could be x, y, or z (m)
S	entropy (J/K)
t	time (s)
T	period (s)
T	temperature (K)
T	tension force (N)
T	tesla (S.I. unit of magnetic field)
u	atomic mass unit, non-S.I. unit of mass
u	energy density (J/m3)
U	potential energy (J)
v, v	velocity, speed (m/s)
V	volt (S.I. unit of potential)
V	potential (V)
V	voltage or potential difference (V), more correctly written as ΔV
V	volume (m3)
w, W	weight force (N)
W	watt (S.I. unit of power = kg*m2/s3)
W	work (J)
x	Cartesian coordinate (m)
y	Cartesian coordinate (m)
Y	Young’s modulus (N/m2)
z	Cartesian coordinate (m)

                          Greek Symbols

α	alpha	angular acceleration (rad/s2)
α	alpha	temperature coefficient of linear expansion (K-1)
β	beta	temperature coefficient of volume expansion (K-1)
γ	gamma	ratio of heat capacities (dimensionless)
γ	gamma	relativistic gamma factor (dimensionless)
Γ	gamma (capital)
δ	delta	instantaneous change
Δ	delta (capital)	finite change
ε	epsilon	permittivity
ζ	zeta
η	eta	efficiency (dimensionless)
θ	theta	angle (rad)
Θ	theta (capital)
ι	iota
κ	kappa	dielectric constant (dimensionless)
λ	lambda	wavelength (m)
Λ	lambda (capital)
μ	mu	coefficient of friction (dimensionless)
ν	nu
ξ	xi
Ξ	xi (capital)
π	pi	circumference/diameter ratio (dimensionless)
Π	pi (capital)	series product
ρ	rho	density (kg/m3)
ρ	rho	resistivity (Ω*m)
σ	sigma	Stefan-Boltzmann constant
Σ	sigma (capital)	series summation
τ	tau	torque (N x m)
τ	tau	time constant (s)
υ	upsilon
φ	phi	angle (rad)
Φ	phi (capital)
χ	chi
ψ	psi	psychic power (W)
ψ	psi	wave function (dimensionless)
Ψ	psi (capital)	wave function (dimensionless)
ω	omega	angular velocity (rad/s)
Ω	omega (capital)	ohms (S.I. unit of resistance = V/A)

                             Common Subscripts

av or ave	average
c	cold
f	final
h	hot
i	initial
max	maximum
min	minimum
0	initial
rms	root mean square
th	thermal
tot	total