Physics Important SI Units for Competitive Exams UPSC, SSC CGL - 1
Quantity | SI | Symbol |
Length | metre | m |
Mass | kilogram | kg |
Time | second | s |
Work and Energy | joule | J |
Electric current | ampere | A |
Temperature | kelvin | K |
Luminuous Intensity | candela | cd |
Angle | radian | rad |
Solid angle | steredian | sr |
Force | newton | N |
Area | square meter | m2 |
Volume | Cubic meter | m3 |
Speed | meter per second | ms-1 |
Angle velocity | radian per second | rad s-1 |
Frequency | Hertz | Hz |
Moment of inertia | kilogram square meter | kgm2 |
Momentum | Kilogram meter per second | Kg ms-1 |
Impulse | newton second | Ns |
Angular momentum | kilogram square meter per second | Kgm2s-1 |
Pressure | pascal | pa |
Power | watt | W |
Surface tension | newton per meter | Nm-1 |
Viscosity | newton second per square m | N.s.m-2 |
Thermal conductivity | watt per meter degree celcius | wm-1C-1 |
Specific heat capacity | joule per kilogram per Kelvin | Jkg-1K-1 |
Electric charge | coulomb | c |
Potential difference | volt | v |
Electric resistance | ohm | |
Electrical capacity | farad | F |
Magnetic induction | henry | H |
Magnetic flux | weber | Wb |
Luminous flux | lumen | lm |
Intensity of illumination | lux | lx |
Wavelength | Angstrom | A |
Astronomical distance | light year | ly |
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