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Planck's Constant

The Planck constant or Planck's constant is a fundamental physical constant.

Planck's constant is denoted with a lowercase h.

The Planck constant is equal to 6.62607015 x 10-34 joules per hertz.


A photo of Mr. Max Karl Ernst Ludwig Planck in 1938.


A photo of Mr. Max Karl Ernst Ludwig Planck in 1901.


References

CODATA Value: Planck constant. (2018). Physics.nist.gov. https://physics.nist.gov/cgi-bin/cuu/Value?h‌