- Physics Notes for UPSC IAS Prelims (Part II)
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Scientific Units Named After Inventors
The following table illustrates the list of scientific units, which are exclusively named after their inventors/discovers −
| Scientist/Inventor | Unit | Measures |
|---|---|---|
| André-Marie Ampère | ampere (A) | Electric current |
| Lord Kelvin | kelvin (K) | Thermodynamic temperature |
| Antoine Henri Becquerel | becquerel (Bq) | Radioactivity |
| Anders Celsius | degree Celsius (°C) | Temperature |
| Charles-Augustin de Coulomb | coulomb (C) | Electric charge |
| Alexander Graham Bell | decibel (dB) | Ratio |
| Michael Faraday | farad (F) | Capacitance |
| Joseph Henry | henry (H) | Inductance |
| Heinrich Rudolf Hertz | hertz (Hz) | Frequency |
| James Prescott Joule | joule (J) | Energy, work, heat |
| Sir Isaac Newton | newton (N) | Force |
| Georg Simon Ohm | ohm (Ω) | Electrical resistance |
| Blaise Pascal | pascal (Pa) | Pressure |
| Werner von Siemens | siemens (S) | Electrical conductance |
| Nikola Tesla | tesla (T) | Magnetic flux density |
| Alessandro Volta | volt (V) | Electric potential & electromotive force |
| James Watt | watt (W) | Power & radiant flux |
| Wilhelm Eduard Weber | weber (Wb) | magnetic flux |
| Jean-Baptiste Biot | biot (Bi) | Electric current |
| Peter Debye | debye (D) | Electric dipole moment |
| Loránd Eötvös | eotvos (E) | Gravitational gradient |
| Galileo Galilei | galileo (Gal) | Acceleration |
| Carl Friedrich Gauss | gauss (G or Gs) | Magnetic flux density |
| William Gilbert | gilbert (Gb) | Magnetomotive force |
| James Clerk Maxwell | maxwell (Mx) | Magnetic flux |
| Hans Christian Ørsted | oersted (Oe) | Magnetic field strength |
| Jean Léonard Marie Poiseuille | poise (P) | Dynamic viscosity |
| George Gabriel Stokes | stokes (S or St) | Kinematic viscosity |
| Anders Jonas Ångström | ångström (Å) | Distance |
| Heinrich Barkhausen | Bark scale | Psychoacoustical scale |
| Thomas Hunt Morgan | centimorgan (cM) | Recombination frequency |
| Marie Curie and Pierre Curie | curie (Ci) | Radioactivity |
| John Dalton | dalton (Da) | Atomic mass |
| Henry Darcy | darcy (D) | Permeability |
| Gordon Dobson | Dobson unit (DU) | Atmospheric ozone |
| Daniel Gabriel Fahrenheit | degree Fahrenheit (°F) | Temperature |
| Enrico Fermi | fermi (fm) | Distance |
| Godfrey Newbold Hounsfield | Hounsfield scale | Radio density |
| Karl Jansky | jansky (Jy) | Electromagnetic flux |
| Samuel Pierpont Langley | langley (ly) | Solar radiation |
| Irving Langmuir | langmuir (L) | Gas exposure dose |
| Wilhelm Röntgen | röntgen (R) | X-rays or gamma radiation |
| Charles Francis Richter | Richter magnitude | Earthquake |
| Theodor Svedberg | svedberg (S or Sv) | Sedimentation rate |
| Evangelista Torricelli | torr (Torr) | Pressure |
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