Units of Physics
List of Physics Units
Fundamental Physics Units
| Subjects | Type of Questions | |
|---|---|---|
| Paper 1 | Physics, Chemistry & Mathematics | Objective type questions with equal weightage to Physics, Chemistry & Mathematics |
| Paper 2 | Mathematics – Part I Aptitude Test – Part II & Drawing Test – Part III | Objective type questions Objective type questions questions to test Drawing Aptitude |
Supplementary Units
| Year | No.of.Institute | Intake |
|---|---|---|
| 1994 - 95 | 312 | 26,874 |
| 2006 - 07 | 1,132 | 94,704 |
| %Growth | 263% | 290% |
Fundamental Physics Units
- Important SI Units of Physics
- Newton : Force
- Joule : Work done
- Watt : Power
- Coulomb : Quantity of Electricity
- Volt : Potential difference
- Ohm : Electrical Resistance
- Farad : Capacitance
- Henry : Inductance
- Lumen : Luminous Flux
Some Important Units of Long Distances
- Light year = Distance traveled by light in vacuum in one year = 9.46 x 1015 m ~ 1016 m.
- 1 Parsec ( Parallactic second ) is the distance corresponding to a parallex of one second of arc, 1 Parsec = 3.08 x 1016 m = 3.26 light years.
Some Important Units of Short Distances
- 1 micron ( 1 µ ) = 10-4 cm, 10 -6 m
- 1 Angstrom ( 1 Å ) = 10 -8 cm, 10 -10 m
- 1 Fermi ( 1F ) = 10 -13 cm, 10 -15 m
- 1 x U = 10 -11 cm, 10 -13 m
