Quantities in Physical Sciences
There are seven base SI units. These are listed in the table below. All physical quantities have units which can be built from these seven base units. So, it is possible to create a different set of units by defining a different set of base units. These seven units are ...
Quantities in Physical Sciences
Table of Units
|
Physical Quantities |
||
|
Quantity |
Unit name |
Unit symbol |
|
Amplitude (A) |
metre |
\(\text{m}\) |
|
Atomic mass unit (amu) |
u |
\(\text{u}\) |
|
Average acceleration (\(\vec{a}_{\text{av}}\)) |
metre per second squared |
\(\text{m·s$^{-2}$}\) |
|
Average speed (\(v_{\text{av}}\)) |
metre |
\(\text{m}\) |
|
Average velocity (\(\vec{v}_{\text{av}}\)) |
metre per second |
\(\text{m·s$^{-1}$}\) |
|
Charge (Q) |
coulomb |
\(\text{C}\) |
|
Concentration (C) |
mol per decimetre cubed |
\(\text{mol·dm$^{-3}$}\) |
|
Current (I) |
ampere |
\(\text{A}\) |
|
Density (d) |
grams per centimetre cubed |
\(\text{g·cm$^{-3}$}\) |
|
Displacement (\(\Delta x\)) |
metre |
\(\text{m}\) |
|
Distance (D) |
metre |
\(\text{m}\) |
|
Energy (E) |
Joule |
\(\text{J}\) |
|
Frequency (f) |
Hertz |
\(\text{Hz}\) |
|
Instantaneous acceleration (\(\vec{a}\)) |
metre per second squared |
\(\text{m·s$^{-2}$}\) |
|
Instantaneous speed (\(v_{\text{av}}\)) |
metre per second |
\(\text{m·s$^{-1}$}\) |
|
Instantaneous velocity (\(\vec{v}\)) |
metre per second |
\(\text{m·s$^{-1}$}\) |
|
Intensity (I) |
deciBel |
\(\text{dB}\) |
|
Magnitude of acceleration (a) |
metre per second squared |
\(\text{m·s$^{-2}$}\) |
|
Mass (m) |
gram |
\(\text{g}\) |
|
Molar mass (M) |
gram per mol |
\(\text{g·mol$^{-1}$}\) |
|
Mole (n) |
mole |
\(\text{mol}\) |
|
Period (T) |
second |
\(\text{s}\) |
|
Position (x) |
metre |
\(\text{m}\) |
|
Potential difference (V) |
Volt |
\(\text{V}\) |
|
Pulse speed (v) |
metre per second |
\(\text{m·s$^{-1}$}\) |
|
Resistance (R) |
Ohm |
\(\text{Ω}\) |
|
Temperature (T) |
degrees |
\(\text{°}\) |
|
Volume (V) |
decimetre cubed |
\(\text{dm$^{-3}$}\) |
|
Wavelength (λ) |
metre |
\(\text{m}\) |
|
Wavespeed (v) |
metre per second |
\(\text{m·s$^{-1}$}\) |
More Units
|
Physical Quantities |
||
|
Quantity |
Unit name |
Unit symbol |
| Acceleration (\(a\)) | metres per second squared | \(\text{m·s$^{-1}$}\) |
| Charge (\(q\)) | Coulomb | \(\text{C}\) |
| Concentration (\(C\)) | moles per cubic decimetre | \(\text{mol·dm$^{-3}$}\) |
| Current (\(I\)) | Amperes | \(\text{A}\) |
| Distance (\(d\)) | metre | \(\text{m}\) |
| Electrical energy (\(E\)) | Joules | \(\text{J}\) |
| Electric field (\(E\)) | Newtons per Coulomb | \(\text{N·C$^{-1}$}\) |
| Force (\(F\)) | Newton | \(\text{N}\) |
| Induced emf (\(\mathcal{E}\)) | Volt | \(\text{V}\) |
| Magnetic field (\(B\)) | Tesla | \(\text{T}\) |
| Magnetic flux (\(\phi\)) | Weber | \(\text{Wb}\) |
| Mass (\(m\)) | kilogram | \(\text{kg}\) |
| Moles (\(n\)) | moles | \(\text{mol}\) |
| Pressure (\(p\)) | Pascals | \(\text{Pa}\) |
| Power (\(P\)) | Watts | \(\text{W}\) |
| Resistance (\(R\)) | Ohms | \(\text{Ω}\) |
| Temperature (\(T\)) | Kelvin | \(\text{K}\) |
| Tension (\(T\)) | Newton | \(\text{N}\) |
| Time (\(t\)) | seconds | \(\text{s}\) |
| Voltage (\(V\)) | Volts | \(\text{V}\) |
| Volume (\(V\)) | meters cubed | \(\text{m$^{3}$}\) |
| Weight (\(N\)) | Newton | \(\text{N}\) |
This lesson is part of:
Skills for Science