"केल्भिन" का संशोधनहरू बिचको अन्तर

robot Adding: ur:Kelvin; अंगराग परिवर्तन
सा (robot Adding: ur:Kelvin; अंगराग परिवर्तन)
|केल्भिन ||डिग्री सेल्सियस ||°से = के - २७३.१५
|[[सेल्सियस |डिग्री सेल्सियस ]] ||केल्भिन||के = °से + २७३.१५
|केल्भिन || डिग्री फरेनहाइट ||°फ = के ×× १.८ − ४५९.६७
|[[फरेनहाइट |डिग्री फरेनहाइट ]] ||केल्भिन ||के = (°फ + ४५९.६७) / १.८
| colspan=3 align=center | Note that for temperature intervals rather than temperature readings,<br /> 1 K = 1 &nbsp;°C and 1 K = 1.8 &nbsp;°F<br /><small>[[temperature conversion formulas|Additional conversion formulas]]<br />[http://www.chemie.fu-berlin.de/chemistry/general/units_en.html#temp Conversion calculator for units of temperature]</small>
'''केल्भिन''' (अङ्ग्रेजीमा '''kelvin''', symbol: '''K''') तापक्रम नाप्ने [[एस्.आई.]] ईकाई हो, र सात [[एस्.आई. आधार ईकाई]] मध्येको एक हो। यसलाई दुई तथ्यले ब्याख्या गर्दछ: शुन्य केल्भिन is [[absolute zero]] (when molecular motion stops), and one kelvin is the fraction 1/273.16 of the [[thermodynamic temperature]] of the [[triple point]] of [[water]]. The [[Celsius]] temperature scale is now defined in terms of the kelvin, with 0 &nbsp;°C corresponding to 273.15 kelvins, approximately the [[melting point]] of water under [[ordinary conditions]].
The kelvin is named after the British physicist and engineer [[William Thomson, 1st Baron Kelvin]]; उनका [[barony]] was in turn named after the [[River Kelvin]], which runs through the grounds of the [[University of Glasgow]].
== Typographical conventions ==
The word ''kelvin'' as an SI unit is correctly written with a [[lowercase]] ''k'' (unless at the beginning of a sentence), and is never preceded by the words ''[[degree (temperature)|degree]]'' or ''degrees'', or the symbol °, unlike degrees ''[[Fahrenheit]]'', or degrees ''[[Celsius]]''. This is because the latter are [[adjective]]s, whereas ''kelvin'' is a [[noun]]. It takes the normal plural form by adding an ''s'' in [[English language|English]]: kelvins. When the kelvin was introduced in [[1954]] (10th [[Conférence Générale des Poids et Mesures|General Conference on Weights and Measures (CGPM)]], Resolution 3, CR 79), it was the "degree Kelvin", and written '''&deg;°K'''; the "degree" was dropped in [[1967]] (13th CGPM, Resolution 3, CR 104).
Note that the symbol for the kelvin unit is always a capital K and never italicised. There is a space between the number and the K, as with all other SI units.
[[Unicode]] includes the "kelvin sign" at U+212A (in your [[web browser|browser]] it looks like &#x212A;K). However, the "kelvin sign" is [[canonical decomposition|canonically decomposed]] into U+004B, thereby seen as a (preexisting) encoding mistake, and it is better to use U+004B (K) directly.
== Conversion factors ==
=== Kelvins and Celsius ===
The Celsius temperature scale is now defined in terms of the kelvin, with 0 &nbsp;°C corresponding to 273.15 kelvins.
* ''kelvins to degrees Celsius''
*: <math>
\mathrm{C} = \mathrm{K} - 273.15
* ''kelvins to electron volts''
\mathrm{eV} = \frac{\mathrm{K}}{11,\!605}
== See also ==
* [[ITS-90]] International Temperature Scale
== External link ==
* [http://www1.bipm.org/en/si/si_brochure/chapter2/2-1/2-1-1/kelvin.html BIPM brochure on the kelvin]
[[categoryCategory:भौतिक शास्त्र]]
[[tr:Kelvin (birim)]]
[[uk:Кельвін (одиниця)]]


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