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  1. en.wikipedia.org › wiki › KelvinKelvin - Wikipedia

    The kelvin, symbol K, is the base unit of measurement for temperature in the International System of Units (SI). The Kelvin scale is an absolute temperature scale that starts from the coldest possible temperature, absolute zero , 0 K or -273.15 °C, then rises by exactly 1 K for each 1 °C.

  2. Apr 25, 2024 · Kelvin, base unit of thermodynamic temperature measurement in the International System of Units (SI). It is the fundamental unit of the Kelvin scale and has as its zero point absolute zero (−273.15 degrees on the Celsius temperature scale and −459.67 degrees on the Fahrenheit temperature scale).

  3. The meaning of KELVIN is the base unit of temperature in the International System of Units that is defined by setting the fixed numerical value of the Boltzmann constant to be 1.380649 x 10—23 joules per kelvin and that is equal to 1/273.16 of the Kelvin scale temperature of the triple point of water —abbreviation K.

  4. www.nist.gov › si-redefinition › kelvin-introductionKelvin: Introduction | NIST

    May 14, 2018 · The kelvin, symbol K, is the SI unit of thermodynamic temperature; its magnitude is set by fixing the numerical value of the Boltzmann constant to be equal to exactly 1.380649 × 10-23...J K-1 [joules per kelvin]. If that seems like a mouthful, you wouldn’t be wrong!

  5. Apr 23, 2024 · William Thomson, Baron Kelvin (born June 26, 1824, Belfast, County Antrim, Ireland [now in Northern Ireland]—died December 17, 1907, Netherhall, near Largs, Ayrshire, Scotland) was a Scottish engineer, mathematician, and physicist who profoundly influenced the scientific thought of his generation.

  6. May 8, 2019 · The Kelvin temperature scale is an absolute temperature scale that is defined using the third law of thermodynamics. Because it is an absolute scale, temperatures recorded in Kelvin do not have degrees. The zero point of the Kelvin scale is absolute zero, which is when particles have minimum kinetic energy and cannot get colder.

  7. www.nist.gov › si-redefinition › kelvin-historyKelvin: History | NIST

    May 14, 2018 · Kelvin: History. The kelvin is the fundamental unit of temperature. But it came at the end of a journey that began long before thermometers even existed. The earliest attempts at gauging temperature used no fixed scale and no degrees. These proto-thermometers — which we now call thermoscopes — could be used only for comparing one ...

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