طبعي مقدارن جي فهرست

ھي آرٽيڪل جدولن تي مشتمل آھي جيڪو ڪجھ طبعي مقدارن کي بيان ڪري ٿو. پهرين جدول ۾ بنيادي مقدارن جي فهرست ڏني وئي آهي جيڪي يونٽن جي بين الاقوامي نظام ۾ طبعي مقدار جي طبعي ابعاد (dimension) جي تجزيي لاء استعمال ٿيل آهن. ٻئي جدول ۾ نڪتل طبعي مقدارن جي فهرست ڏنل آهي. حاصل ڪيل مقدار کي بنيادي مقدار جي لحاظ کان بيان ڪري سگهجي ٿو.

ياد رهي ته طبعي مقدار لاءِ استعمال ٿيل نه ته نالا ۽ نشان بين الاقوامي معيار جا آهن. ڪجهه مقدار ڪيترن ئي مختلف نالن سان سڃاتا ويندا آهن جهڙوڪ مقناطيسي B-فيلڊ جنهن کي، مقناطيسي فيلڊ جي حوالي سان، مقناطيسي وهڪري جي کثافت، مقناطيسي انڊڪشن يا صرف مقناطيسي فيلڊ طور سڃاتو وڃي ٿو. ساڳيءَ طرح، مٿاڇري جي ٽينشن کي σ، γ يا T جي ذريعي ظاهر ڪري سگھجي ٿو. جدول ۾ عام طور تي صرف ھڪڙو نالو ۽ علامت ڏنل آھي جيڪو عام طور تي استعمال ڪيو ويندو آھي. آخري ڪالمن ۾ ڪجهه خاص خاصيتون شامل آهن جيڪي ڪجهه مقدار ۾ آهن، جهڙوڪ انهن جي ماپ ڪرڻ واري رويي (يعني مقدار شديد يا وسيع آهي)، انهن جي تبديلي جي ملڪيت (يعني ڇا مقدار هڪ اسڪيلر، ویکٹر، ميٽرڪس يا ٽينسر آهي) ۽ ڇا مقدار محفوظ آهي.

بنيادي مقدار علامت حلیو/وصف SI بنيادي يونٽ ابعاد (Dimension) تبصرا
مادي جو مقدار n مقدار هڪ نموني ۾ ذرڙن جي تعداد سان متناسب، ایووگيڊرو مستقل سان تناسب مسلسل مول (mol) N وسیع، غیر سمتی
ڊگھائي l ڪنهن شئي جي هڪ طرفي حد ميٽر (m) L وسيع
وقت t ڪنهن واقعي جو عرصو سیڪنڊ (s) T غیر سمتی، وسیع، تیز
ڪميت m تيز رفتاري جي مزاحمت جو ماپ ڪلوگرام (kg) M وسيع، غیر سمتی
گرمي جي پد T نظام جي سراسري حرڪی توانائي في درجي جي آزادي ڪيلون (K) Θ or [K] غیر سمتی، وسیع
بجليء جو ڪرنٽ I في يونٽ وقت م برقي چارج جي وهڪري جي شرح ايمپيئر (A) I وسيع، اسڪیلر
ڪنڊ ٻن شعاعن مان ٺهيل شڪل، جنهن کي زاويه جي پاسن کي سڏيو وڃي ٿو، هڪ گڏيل آخر واري نقطي کي شيئر ڪري ٿو، جنهن کي زاوي جي چوٽي (Vortex) سڏيو ويندو آهي. درجو. ڊگري (°) BAC وسیع، اسڪیلر (غیر سمتی)
روشنيءَ جي شدت Iv في يونٽ زاويه تي خارج ٿيل روشني جي موج جي وزن واري طاقت ڪينڊيلا (cd) J اسڪیلر (غیر سمتی)
Absement A Measure of sustained displacement: the first integral with respect to time of displacement m⋅s L T vector
Absorbed dose rate D Absorbed dose received per unit of time Gy/s L2 T−3
اسراع a في اڪائي وقت ۾ رفتار جي تبديلي جي شرح؛ پوزيشن جو ٻيو ڀيرو نڪتل ٽائيم ڊيريويٽيو m/s2 L T−2 vector
Action S Momentum of particle multiplied by distance travelled J/Hz L2 M T−1 scalar
Angular acceleration ωa Change in angular velocity per unit time rad/s2 T−2
Angular momentum L Measure of the extent and direction of an object rotates about a reference point kg⋅m2/s L2 M T−1 conserved, bivector
Angular velocity ω The angle incremented in a plane by a segment connecting an object and a reference point per unit time rad/s T−1 bivector
Area A Extent of a surface m2 L2 extensive, bivector or scalar
Area density ρA Mass per unit area kg⋅m−2 L−2 M intensive
برقي

گنجائش

C ذخيرو ٿيل چارج في يونٽ برقي صلاحيت farad (F = C/V) L−2 M−1 T4 I2 scalar
عمل انگيز جي سرگرمي جي ڪنسنٽريشن سسٽم جي في يونٽ حجم ۾ ڪيٽالسٽ جي موجودگي جي ڪري، ڪيميائي تعمل جي شرح ۾ تبديلي kat⋅m−3 L−3 T−1 N intensive
مرڪز مائل قوت Fc جمودي قوت جيڪا ظاهر ٿئي ٿي ته سڀني شين تي عمل ڪندي جڏهن حوالن جي گھمڻ واري فريم ۾ ڏٺو وڃي N⋅rad = kg⋅m⋅rad⋅s−2 L M T−2 bivector
ڪيميائي صلاحيت μ توانائي جي مقدار في يونٽ مادي جي مقدار ۾ تبديلي تي J/mol L2 M T−2 N−1 intensive
Crackle

ڪريڪل

سانچو:Vec في يونٽ وقت جي اچ وڃ جي تبديلي: پوزيشن جو پنجون وقت نڪتل derivative m/s5 L T−5 vector
برقي ڪرنٽ جي کثافت سانچو:Vec اليڪٽرڪ ڪرنٽ في يونٽ ڪراس-سيڪشن ايريا A/m2 L−2 I conserved, intensive, vector
Dose equivalent

دوز برابر. حاصل ڪيل تابڪاري حياتياتي بافتن تي اثر لاءِ ترتيب ڏني وئي

H Received radiation adjusted for the effect on biological tissue sievert (Sv = J/kg) L2 T−2 intensive
Dynamic viscosity

متحرڪ وسڪوسٽي viscosity. دٻاء لاء ناقابل برداشت سيال جي مزاحمت لاء ماپ

v Measure for the resistance of an incompressible fluid to stress Pa⋅s L−1 M T−1 intensive
Electric charge

برقي چارج. قوت في يونٽ برقي ميدان جي طاقت

Q The force per unit electric field strength coulomb (C = A⋅s) T I extensive, conserved
Electric charge density

برقي چارج جي کثافت. اليڪٽرڪ چارج في يونٽ حجم

ρQ Electric charge per unit volume C/m3 L−3 T I intensive
Electric dipole moment

اليڪٽرڪ ڊائيپول مومينٽ برابر ۽ مخالف برقي چارجز جي جدائي جي ماپ.

p Measure of the separation of equal and opposite electric charges C⋅m L T I vector
Electric displacement field

اليڪٽرڪ برقي مفاصلي جو ميدان. بجلي جي بي گھرڻ جي طاقت

سانچو:Vec Strength of the electric displacement C/m2 L−2 T I vector field
Electric field strength

برقي ميدان جي طاقت. بجلي جي ميدان جي طاقت

سانچو:Vec Strength of the electric field V/m, N/C L M T−3 I−1 vector field
Electrical conductance

بجلي جي چال. ماپ ڪريو ته ڪيئن آسانيءَ سان ڪرنٽ ڪنهن مادي ذريعي وهي ٿو.

G Measure for how easily current flows through a material siemens (S = Ω−1) L−2 M−1 T3 I2 scalar
Electrical conductivity

برقي چالکائي. اليڪٽرڪ ڪرنٽ کي هلائڻ لاءِ مواد جي صلاحيت جي ماپ

σ Measure of a material's ability to conduct an electric current S/m L−3 M−1 T3 I2 scalar
Electric potential

برقي صلاحيت. توانائي جي ضرورت آهي هڪ يونٽ چارج کي هڪ ريفرنس پوائنٽ کان برقي فيلڊ ذريعي منتقل ڪرڻ لاء. 26. برقي مزاحمت. بجلي جي صلاحيت في يونٽ برقي موجوده. 27. برقي مزاحمت. بلڪ ملڪيت برقي مزاحمت جي برابر

φ Energy required to move a unit charge through an electric field from a reference point volt (V = J/C) L2 M T−3 I−1 extensive, scalar
Electrical resistance R Electric potential per unit electric current ohm (Ω = V/A) L2 M T−3 I−2 extensive, scalar, assumes linearity
Electrical resistivity ρe Bulk property equivalent of electrical resistance ohm-metre (Ω⋅m) L3 M T−3 I−2 extensive, scalar, conserved
Energy

توانائي

E Energy joule (J) L2 M T−2
Energy density

توانائي جي کثافت. توانائي في اڪائي حجم

? Energy per volume J⋅m−3 L−1 M T−2 intensive
Entropy S Logarithmic measure of the number of available states of a system J/K L2 M T−2 Θ−1 extensive, scalar
Force سانچو:Vec Transfer of momentum per unit time newton (N = kg⋅m⋅s−2) L M T−2 extensive, vector
Frequency f Number of (periodic) occurrences per unit time hertz (Hz = s−1) T−1 scalar
Half-life t1/2 Time for a quantity to decay to half its initial value s T
Heat Q Thermal energy joule (J) L2 M T−2
Heat capacity Cp Energy per unit temperature change J/K L2 M T−2 Θ−1 extensive
Heat flux density ϕQ Heat flow per unit time per unit surface area W/m2 M T−3
Illuminance Ev Wavelength-weighted luminous flux per unit surface area lux (lx = cd⋅sr/m2) L−2 J
Impedance Z Resistance to an alternating current of a given frequency, including effect on phase ohm (Ω) L2 M T−3 I−2 complex scalar
Impulse J Transferred momentum newton-second (N⋅s = kg⋅m/s) L M T−1 vector
Inductance L Magnetic flux generated per unit current through a circuit henry (H) L2 M T−2 I−2 scalar
Irradiance E Electromagnetic radiation power per unit surface area W/m2 M T−3 intensive
Intensity I Power per unit cross sectional area W/m2 M T−3 intensive
Jerk سانچو:Vec Change of acceleration per unit time: the third time derivative of position m/s3 L T−3 vector
Jounce (or snap) سانچو:Vec Change of jerk per unit time: the fourth time derivative of position m/s4 L T−4 vector
Linear density ρl Mass per unit length kg⋅m−1 L−1 M
Luminous flux (or luminous power) F Perceived power of a light source lumen (lm = cd⋅sr) J
Mach number (or mach) M Ratio of flow velocity to the local speed of sound unitless 1
Magnetic field strength H Strength of a magnetic field A/m L−1 I vector field
Magnetic flux Φ Measure of magnetism, taking account of the strength and the extent of a magnetic field weber (Wb) L2 M T−2 I−1 scalar
Magnetic flux density B Measure for the strength of the magnetic field tesla (T = Wb/m2) M T−2 I−1 pseudovector field
Magnetic moment (or magnetic dipole moment) m The component of magnetic strength and orientation that can be represented by an equivalent magnetic dipole N⋅m/T L2 I vector
Magnetization M Amount of magnetic moment per unit volume A/m L−1 I vector field
Mass fraction x Mass of a substance as a fraction of the total mass kg/kg 1 intensive
(Mass) Density (or volume density) ρ Mass per unit volume kg/m3 L−3 M intensive
Mean lifetime τ Average time for a particle of a substance to decay s T intensive
Molar concentration C Amount of substance per unit volume mol⋅m−3 L−3 N intensive
Molar energy J/mol Amount of energy present in a system per unit amount of substance J/mol L2 M T−2 N−1 intensive
Molar entropy Entropy per unit amount of substance J/(K⋅mol) L2 M T−2 Θ−1 N−1 intensive
Molar heat capacity c Heat capacity of a material per unit amount of substance J/(K⋅mol) L2 M T−2 Θ−1 N−1 intensive
Moment of inertia I Inertia of an object with respect to angular acceleration kg⋅m2 L2 M extensive, tensor, scalar
Momentum سانچو:Vec Product of an object's mass and velocity kg⋅m/s L M T−1 vector, extensive
Optical power P Measure of the effective curvature of a lens or curved mirror; inverse of focal length dioptre (dpt = m−1) L−1
Permeability μs Measure for how the magnetization of material is affected by the application of an external magnetic field H/m L M T−2 I−2 intensive
Permittivity εs Measure for how the polarization of a material is affected by the application of an external electric field F/m L−3 M−1 T4 I2 intensive
Plane angle θ Ratio of circular arc length to radius radian (rad) 1
Pop سانچو:Vec Rate of change of crackle per unit time: the sixth time derivative of position m/s6 L T−6 vector
Power P Rate of transfer of energy per unit time watt (W) L2 M1 T−3 extensive, scalar
Pressure p Force per unit area pascal (Pa = N/m2) L−1 M1 T−2 intensive, scalar
Pressure gradient Pressure per unit distance pascal/m L−2 M1 T−2 vector
(Radioactivity) Activity A Number of particles decaying per unit time becquerel (Bq = Hz) T−1 extensive, scalar
(Radiation) Dose D Ionizing radiation energy absorbed per unit mass gray (Gy = J/kg) L2 T−2
Radiance L Power of emitted electromagnetic radiation per unit solid angle per emitting source area W/(m2⋅sr) M T−3
Radiant intensity I Power of emitted electromagnetic radiation per unit solid angle W/sr L2 M T−3 scalar
Reaction rate r Rate of a chemical reaction for unit time mol/(m3⋅s) L−3 T−1 N intensive, scalar
Refractive index n Factor by which the phase velocity of light is reduced in a medium unitless 1 intensive, scalar
Reluctance resistance to the flow of magnetic flux H−1 L−2 M−1 T2 I2 scalar
Solid angle Ω Ratio of area on a sphere to its radius squared steradian (sr) 2
Specific energy Energy density per unit mass J⋅kg−1 L2 T−2 intensive
Specific heat capacity c Heat capacity per unit mass J/(K⋅kg) L2 T−2 Θ−1 intensive
Specific volume v Volume per unit mass (reciprocal of density) m3⋅kg−1 L3 M−1 intensive
Spin S Quantum-mechanically defined angular momentum of a particle kg⋅m2⋅s−1 L2 M T−1
Strain ε Extension per unit length unitless 1
Stress σ Force per unit oriented surface area Pa L−1 M T−2 order 2 tensor
Surface tension γ Energy change per unit change in surface area N/m or J/m2 M T−2
Temperature gradient steepest rate of temperature change at a particular location K/m L−1 Θ vector
Thermal conductance κ (or) λ Measure for the ease with which an object conducts heat W/K L2 M T−3 Θ−1 extensive
Thermal conductivity λ Measure for the ease with which a material conducts heat W/(m⋅K) L M T−3 Θ−1 intensive
Thermal resistance R Measure for the ease with which an object resists conduction of heat K/W L−2 M−1 T3 Θ extensive
Thermal resistivity Rλ Measure for the ease with which a material resists conduction of heat K⋅m/W L−1 M−1 T3 Θ intensive
Torque τ Product of a force and the perpendicular distance of the force from the point about which it is exerted newton-metre (N⋅m) L2 M T−2 bivector (or pseudovector in 3D)
Velocity سانچو:Vec Moved distance per unit time: the first time derivative of position m/s L T−1 vector
Volume V Three dimensional extent of an object m3 L3 extensive, scalar
Volumetric flow rate Q Rate of change of volume with respect to time m3⋅s−1 L3 T−1 extensive, scalar
Wavelength λ Perpendicular distance between repeating units of a wave m L
Wavenumber k Repetency or spatial frequency: the number of cycles per unit distance m−1 L−1 scalar
Wavevector سانچو:Vec Repetency or spatial frequency vector: the number of cycles per unit distance m−1 L−1 vector
Weight w Gravitational force on an object newton (N = kg⋅m/s2) L M T−2 vector
Work W Transferred energy joule (J) L2 M T−2 scalar
Young's modulus E Ratio of stress to strain pascal (Pa = N/m2) L−1 M T−2 scalar; assumes isotropic linear material
spring constant k k is the torsional constant (measured in N·m/radian), which characterizes the stiffness of the torsional spring or the resistance to angular displacement. N/m M T−2 scalar