IB Physics SL Variables

n (topic 5)

# charges per unit volume

a

acceleration (m/s^2)

ρ (topic 8)

air density (kg/m³)

A (topic 54)

amplitude (m)

θ (topic 4 part 2)

angle of incidence or refraction (degrees)

θ (5)

angle with field

ω

angular velocity (m/s)

A (topic 8)

area swept out by turbine blades (a^2)

N(sub)A

avogadro's constant

k(sub)B

boltzmann constant

q

charge (coulombs)

μ(sub)d

coefficient of dynamic friction (Ff/N)

μ(sub)s

coefficient of static friction (Ff/N)

k (topic 5)

coulomb constant (Nm^2C^-2)

I (topic 5)

current (amperes)

s

displacement (m)

x (topic 4)

distance from source (m)

D

distance to screen (m)

v (5.1)

drift velocity (m/s)

g (topic 2)

earth's gravity (m/s^2)

E

electric field strength (volts/meter, newtons/coulomb)

ℰ

electromotive force (volts)

e

emissivity

Q

energy/heat (joules)

x

extension (m)

F

force (newtons)

f

frequency (hertz)

F(sub)f

friction force (newtons)

s (topic 4)

fringe spacing (m)

R (topic 3)

gas constant

G

gravitational constant (Nm^2kg^-2)

g (topic 6)

gravitational field strength (newtons/kg)

h

height (m)

u

initial velocity (m/s)

I (topic 4)

intensity (W/m^2)

r (5.3)

internal resistance (ohms)

E(sub)k

kinetic energy (joules)

L

length (m)

B

magnitude of magnetic field (tesla, newton/(ampere-meter)

m

mass (kg)

M (6.2)

mass of body (kg)

m (6.2)

mass of body in field (kg)

p (topic 2)

momentum (kg*(m/s)

R (topic 2)

normal/reaction force (newtons)

N

number of atoms

n (topic 3)

number of molecules

I(sub)0

original intensity (W/m^2)

T (topic 6)

period (seconds)

ℰ(sub)0

permittivity of free space (C^2N^-1m^-2)

h (topic 7)

planck's constant

θ (topic 4)

polarizer angle (degrees)

V (topic 5)

potential difference (volts, joules/coulomb)

E(sub)p

potential energy (joules)

P

power (watts)

p (topic 3)

pressure

r (6.1)

radius of circle (meters)

n(sub)1/n(sub)2

refractive index

R (topic 5)

resistance (ohms)

ρ (topic 5)

resistivity (ohm*meter)

r (5.1)

separation distance (m)

r (6.2)

separation distance of bodies (m)

d

slit spacing (m)

c

specific heat capacity (J/kg°C)

L (topic 3)

specific latent heat (J/kg)

c (topic 7)

speed of light

k (topic 2)

spring constant (N/m)

σ

stefan-boltzmann constant

T (topic 3)

temperature (kelvins)

t

time (s)

c (topic 4)

velocity (m/s)

v

velocity (m/s)

v (5.4)

velocity of charge (m/s)

V (topic 3)

volume (m^3)

λ

wavelength (meters)

v (topic 8)

wind speed (m/s)

W

work done (joules)

A (topic 5)

x-sectional area (m^2)