Meaning of Physical symbols for CSIR NET JRF
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Quantity | Symbol | SI unit | Symbol for SI Unit | Non-SI unit used |
Absorbed dose |
| Gray |
| |
Acceleration |
| Metre per second squared |
| |
Acc. due to gravity |
| Metre per second squared |
| |
Activity |
| Becquerel |
| |
Amount of substance |
| Mole |
| |
Amplitude |
| Metre |
| |
Angle |
| Radian |
|
|
Angular velocity |
| Radian per second |
|
|
Area |
| Metre squared |
|
|
Atomic number |
| |||
Capacitance |
| Farad |
| |
concentration |
| Mole per liter |
|
|
Critical angle |
| |||
density |
| Kilogram per meter cubed |
|
|
Displacement |
| Meter |
| |
Dose equivalent |
| Sievert |
| |
Electric current |
| Ampere |
| |
Electric field strength |
| Volt per metre |
| |
Electronic charge |
| Coulomb |
| |
Energy (electrical) |
| Joule |
|
|
Energy (heat) |
| Joule |
| |
Energy (kinetic) |
| Joule |
| |
Energy (potential) |
| Joule |
| |
Energy (food) | Joule |
|
| |
Enthalpy |
| Joule |
| |
Focal length |
| Meter |
| |
Frequency |
| Hertz |
| |
half- life |
| Second |
| |
Length (distance) |
| Metre |
| |
Magnetic flux |
| Weber |
| |
Magnetic flux density |
| Tesla |
| |
Magnification |
| |||
Mass |
| Kilogram |
|
|
Mass number |
| |||
Molarity | Mole per liter |
| ||
Moment of a force |
| Newton metre |
| |
Moment of inertia |
| Kilogram metre squared |
| |
Momentum |
| Kilogram metre per second |
| |
Permittivity | ε | Farad per metre |
| |
Periodic time |
| Second |
| |
Power |
| Watt |
| |
Refractive index |
| |||
Resistance |
| ohm |
| |
Resistivity |
| ohm meter |
| |
Speed |
| Meter per second |
|
|
Sound intensity |
| Watt per meter squared |
| |
Sound intensity level |
|
| ||
Specific heat capacity |
| Joule per kilogram per kelvin |
| |
Strain |
| |||
Stress |
| Newton per meter squared |
| |
Temperature |
| Kelvin |
| |
Temperature |
| Newton |
| |
Change in temperature |
| Kelvin |
| |
Tension |
| Newton |
| |
Thermal conductivity |
| Watt per meter per kelvin |
| |
Time |
| Second |
|
|
Torque |
| Newton metre |
| |
Velocity |
| Metre per second |
| |
Voltage potential difference |
| Volt |
| |
U-value | Watt per meter squared per kelvin |
| ||
Volume |
| Metre cubed |
|
|
Wavelength |
| Meter |
| |
Weight |
| Newton |
| |
Work |
| Joule |
| |
Young’s modulus |
| Newton per metre squared |
|