Planck constant

physical constant representing the quantum of action
rdfs:label
"Planck constant"@en
skos:altLabel
"Planck's constant"@en
schema:description
"physical constant representing the quantum of action"@en
schema:dateModified "2026-09-29T20:07:25+00:00"^^xsd:dateTime
schema:version 2550985248
wikibase:identifiers 38
wikibase:sitelinks 85
wikibase:statements 66
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p:P5064 wd:statement/Q122894-eb2fffc8-47b6-8df4-84ff-f6c1ed568097
p:P5555 wd:statement/Q122894-f5061132-452d-b168-2bbc-e8bcc1ba8a19
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p:P6104 wd:statement/Q122894-460BB94C-BB42-4786-AAB1-8EE79BAFAE17
p:P6366 wd:statement/Q122894-6761DE5D-F920-4205-8019-E9D9B03AEBDD
p:P6385 wd:statement/Q122894-ce337f27-4c98-6169-2a5a-d645448b9123
p:P646 wd:statement/Q122894-CFE5E84A-D648-48DA-960D-2B35473F8214
p:P6781 wd:statement/Q122894-aa8d486d-4856-e5d8-9315-ada07d2ea8f6
p:P6900 wd:statement/Q122894-605ded58-42cd-f284-a7fd-d45126e3957f
p:P7007 wd:statement/Q122894-669b3162-499c-0533-0a01-aca140121054
p:P7235 wd:statement/Q122894-15673c9a-4bc7-9561-28f5-7e38c026fb15
wd:statement/Q122894-159cf852-4b56-4fa6-711c-36f84dd4f788
wd:statement/Q122894-290c743b-49f6-f3dd-41e9-e5a95376e604
wd:statement/Q122894-40dd704c-46d4-4e33-ca51-59aabf94a16a
wd:statement/Q122894-af09d8b8-4995-49ba-8e0d-15a7cf0b91a5
wd:statement/Q122894-ddebc559-426c-3230-bb06-38127f2e555b
p:P7775 wd:statement/Q122894-4c0b5472-492b-34ee-d035-9b9971dfd543
p:P7825 wd:statement/Q122894-9bcfe3b8-4b3c-50bd-bf93-409747ba871e
p:P7973 wd:statement/Q122894-f92c41c2-491b-d6b7-088c-17f7b086ee7a
p:P8313 wd:statement/Q122894-ecf6725b-4025-f240-2d16-e4d6389df6f5
p:P8855 wd:statement/Q122894-42c4d6c2-451e-de5f-6ce8-5382ce80c5fa
wd:statement/Q122894-aa9ba12f-4eed-3fc3-1c15-e674320cf0d7
wd:statement/Q122894-e8c9d6a7-4b7b-bcd3-7dcc-1c7129fbe4cd
p:P8885 wd:statement/Q122894-88a99941-4946-6c66-09c4-ad7d689b7848
p:direct-normalized/P227 <https://d-nb.info/gnd/4174790-2>
p:direct-normalized/P4732 <http://dx.doi.org/10.1351/goldbook.P04685>
p:direct-normalized/P6366 <https://makg.org/entity/197111296>
wdt:P10283 "C197111296"
wdt:P1036 "530.81"
wdt:P10376 "earth-and-planetary-sciences/planck-constant"
"engineering/plancks-constant"
"mathematics/planck-constant"
wdt:P10565 "215487"
wdt:P111 action
wdt:P11514 "postoiannaia-planka-6680d7"
wdt:P1181 0.000000000000000000000000000000000662607015^^xsd:decimal
wdt:P12385 "constant-de-planck"
wdt:P12800 "fr:Constante_de_Planck"
wdt:P1296 "0051399"
wdt:P13750 "5389"
wdt:P138 Max Planck
wdt:P1417 "science/Plancks-constant"
wdt:P14541 "19aYpw"
wdt:P1645 "h"
wdt:P18 <http://commons.wikimedia.org/wiki/Special:FilePath/U%2B210E.svg>
wdt:P1889 molar Planck constant
reduced Planck constant
wdt:P227 "4174790-2"
wdt:P2534 "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>h</mi><mo stretchy="false">=</mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mn>3</mn><mo stretchy="false">&#x00D7;</mo><mn>7</mn><mo stretchy="false">&#x00D7;</mo><mn>6</mn><mspace width="0.167em"></mspace><mn>3</mn><mn>1</mn><mn>0</mn><mspace width="0.167em"></mspace><mn>5</mn><mn>4</mn><mn>3</mn></mrow></mrow><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><msup><mn>2</mn><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mn>4</mn><mn>2</mn></mrow></mrow></msup><mo stretchy="false">&#x00D7;</mo><msup><mn>5</mn><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mn>4</mn><mn>1</mn></mrow></mrow></msup></mrow></mrow></mfrac></mrow><mspace width="0.167em"></mspace><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">J</mi></mrow><mo stretchy="false">&#x22C5;</mo><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">s</mi></mrow></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
"<math xmlns="http://www.w3.org/1998/Math/MathML" class="mwe-math-element mwe-math-element-inline"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>E</mi><mo stretchy="false">=</mo><mi>h</mi><mo stretchy="false">⋅</mo><mi>ν</mi><mo stretchy="false">=</mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>h</mi><mo stretchy="false">⋅</mo><mi>c</mi></mrow></mrow><mrow data-mjx-texclass="ORD"><mi>λ</mi></mrow></mfrac></mrow></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P291 Royal Prussian Academy of Sciences
wdt:P2924 "3143496"
wdt:P31 physical constant
UCUM constant
action
wdt:P3219 "planck-quantum-d-action"
wdt:P3417 "Planck-Constant"
wdt:P373 "Planck constant"
wdt:P3827 "planck-constant"
wdt:P4020 "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><msup><mrow data-mjx-texclass="ORD"><mi>𝖫</mi></mrow><mrow data-mjx-texclass="ORD"><mn>2</mn></mrow></msup><mrow data-mjx-texclass="ORD"><mi>𝖬</mi></mrow><msup><mrow data-mjx-texclass="ORD"><mi>𝖳</mi></mrow><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false">&#x2212;</mo><mn>1</mn></mrow></mrow></msup></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P4215 "Planck's constant"
wdt:P4342 "Plancks_konstant"
wdt:P443 <http://commons.wikimedia.org/wiki/Special:FilePath/LL-Q9610%20%28ben%29-Tahmid-%E0%A6%AA%E0%A7%8D%E0%A6%B2%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%99%E0%A7%8D%E0%A6%95%E0%A7%87%E0%A6%B0%20%E0%A6%A7%E0%A7%8D%E0%A6%B0%E0%A7%81%E0%A6%AC%E0%A6%95.wav>
wdt:P4732 "P04685"
wdt:P4746 "057548"
wdt:P4839 "Entity["PhysicalConstant", "PlanckConstant"]"
wdt:P5064 "PlancksConstant"
wdt:P5555 <http://commons.wikimedia.org/wiki/Special:FilePath/Photo-electric%20effect%20electron%20liberization.svg>
wdt:P575 "1901-01-01T00:00:00+00:00"^^xsd:dateTime
wdt:P61 Max Planck
wdt:P6104 WikiProject Mathematics
wdt:P6366 "197111296"
wdt:P6385 "nauka_i_tehnika/fizika/PLANKA_POSTOYANNAYA.html"
wdt:P646 "/m/09lbb"
wdt:P6781 "Definition:Planck's_Constant"
wdt:P6900 "プランク定数"
wdt:P7007 ""PlanckConstant""
wdt:P7235 "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>h</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
"<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">J</mi></mrow><mo stretchy="false">&#x22C5;</mo><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">s</mi></mrow></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
"<math xmlns="http://www.w3.org/1998/Math/MathML" class="mwe-math-element mwe-math-element-inline"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>E</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
"<math xmlns="http://www.w3.org/1998/Math/MathML" class="mwe-math-element mwe-math-element-inline"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>c</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
"<math xmlns="http://www.w3.org/1998/Math/MathML" class="mwe-math-element mwe-math-element-inline"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>λ</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
"<math xmlns="http://www.w3.org/1998/Math/MathML" class="mwe-math-element mwe-math-element-inline"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>ν</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P7775 "Planck's_constant"
wdt:P7825 "[h]"
wdt:P7973 "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>h</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P8313 "Plancks_konstant"
wdt:P8855 "113-05-07"
"845-21-108"
"881-04-14"
wdt:P8885 "플랑크 상수"
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