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ФИЗИКАЛЫҚ ӨЛШЕМДЕРДІҢ ШАРТТЫ БЕЛГІЛЕРІ



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ФИЗИКАЛЫҚ ӨЛШЕМДЕРДІҢ ШАРТТЫ БЕЛГІЛЕРІ





Quantity

Symbol

Quantity

Symbol

Acceleration

α

Luminance

L


Acceleration, angular

α, ε

Luminous efficiency, relative

V


Action

A, C, H


Luminous emittance

R


Activity of radioactive source

A


Magnetic constant (permeability of vacuum)

μo


Amplitude

A


Magnetization

J


Angle

α, φ, ψ, θ

Mass

m


Area

A, S


Mass, electron

me


Avogadro’s number

NA


Mass, relative molecular (molecular weight)

M


Boltzman’s constant

k


Mass flow

Qm


Capacitance

C


Mobility

b


Charge, electric

Q


Modulus, elasticity (Young’s modulus)

E


Charge of electron

e


Modulus, shear

G


Coefficient, friction

f, μ


Moment, dipole

p


Coefficient, heat transfer

α


Moment of force

M


Coefficient, recombination

A


Moment of inertia (axial)

J


Concentration

n, C


Moment of inertia (dynamic)

I


Conductance

G


Moment of inertia

Io


Curvature

ρ


Moment, magnetic

pm


Density

ρ


Moment of momentum (angular momentum)

L, L, l


Density, charge, surface (linear)

σ (τ)


Momentum

p


Density, charge, volume

ρ


Musical interval

lm


Density, electric current

J


Number

n, N


Density, energy

e, w, u


Period

Τ, τ


Diameter

D, d


Permeability, relative

μr


Dielectric constant (relative permittivity)

εr


Permittivity, relative

εr


Difference of potentials

U


pH index

pH


Displacement

D


Planck constant

h

Efficiency

η


Planck-Dirac constant

ħ

Electric constant (permittivity of vacuum)

εo

Polarization, dielectric

p

Energy

E, W


Polarization, of molecule

α

Energy, free

F


Potential

V, φ

Energy, internal

U


Power

P


Energy, kinetic

Ek


Power, lens

D


Energy, potential

Ep


Pointing vector

S


Entropy

S


Pressure

p

Faraday’s constant

F


Quantity of heat

Q


Field intensity, electrical

E


Radius

r

Field intensity, magnetic

H


Reflection factor

ρ

Flux, electric

N


Refraction index

n

Flux, luminous

Φ


Reluctance

Rm

Flux, magnetic

Φ


Resistance, acoustic

Ra

Flux, radiant

Φr


Resistance, electrical

R


Flux linkage

Ψ


Resistance, mechanical, of acoustic system

Rm

Force

F, P, O, R


Resistivity

ρ

Force, electromotive

ξ


Solid angle

Ω


Force, magnetomotive

F


Specific heat

c

Frequency

νf


Spin number

s

Frequency, angular

ω


Surface tension

σ

Gas constant

R


Susceptibility, dielectric

χe

Gravitational constant

G


Susceptibility, magnetic

χm

Heat flow

Φ


Temperature

to, Λ

Heat of phase conversion (fusion, evaporation)

H, r


Temperature, absolute

T


Illumination

E


Thermal diffusitivity

a

Impedance

Z


Time

t

Impulse

p


Velocity (speed)

ν

Inductance

L


Velocity, angular

ω

Inductance, mutual

M

Velocity of light

c

Inductance, magnetic

B


Viscosity, dynamic

η

Intensity, current

I


Viscosity, kinematic

ν

Intensity, luminous

I, J


Volume

V


Intensity, sound

I


Volumetric flow rate

QV

Length

l


Wave number

ν, σ

Length of free path

l


Weight

P,G


Length of light wave

λ


Weight, specific

γ

Level, sound loudness

LN

Work

W

Level, sound pressure

Lp









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