Planck constant
physical constant representing the quantum of action
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Planck constant
Summary
Planck constant is a physical constant[1]. It ranks in the top 5% of physical_constant entities by monthly Wikipedia readership (53,885 views/month).[2]
Key Facts
- Planck constant is credited with the discovery of Max Planck[3].
- Planck constant's instance of is recorded as physical constant[4].
- Planck constant's instance of is recorded as UCUM constant[5].
- Planck constant's instance of is recorded as action[6].
- Planck constant's measured physical quantity is recorded as action[7].
- Max Planck is named after Planck constant[8].
- Planck constant's place of publication is recorded as Royal Prussian Academy of Sciences[9].
- Planck constant's Commons category is recorded as Planck constant[10].
- Planck constant's time of discovery or invention is recorded as 1901[11].
- Planck constant's numeric value is recorded as {'unit': 'Q1709783', 'amount': '+0.0000000000000000000000000000000006626070040'}[12].
- Planck constant's numeric value is recorded as {'unit': 'Q1709783', 'amount': '+0.000000000000000000000000000000000662607015'}[13].
- Planck constant's numeric value is recorded as {'unit': 'Q1709783', 'amount': '+0.000000000000000000000000000000000662607015'}[14].
- Planck constant's different from is recorded as reduced Planck constant[15].
- Planck constant's different from is recorded as molar Planck constant[16].
- Planck constant's maintained by WikiProject is recorded as WikiProject Mathematics[17].
- Planck constant's P14541 is recorded as 19aYpw[18].
Body
Definition and Type
Recorded instance of include physical constant[4], UCUM constant[5], and action[6].
Origins
Max Planck is named after Planck constant[8].
Why It Matters
Planck constant ranks in the top 5% of physical_constant entities by monthly Wikipedia readership (53,885 views/month).[2] It has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[19] It is known by 67 alternative names across languages and contexts.[20]