Planck constant

British  

noun

1.  h.  a fundamental constant equal to the energy of any quantum of radiation divided by its frequency. It has a value of 6.62606876 × 10 ^–34 joule seconds See also Dirac constant

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Example Sentences

This universality comes from observing that parameters in the parabolic equation are governed by fundamental physical constants such as the Planck constant and electron mass and charge.

From Science Daily

For example, the kilogram is now rooted in the Planck constant of quantum mechanics rather than in ‘Le Grand K’, a platinum-alloy cylinder kept in a vault outside Paris.

From Nature

“It would be far more simple than with the Planck constant.”

From New York Times

And with a precise measure of the Planck constant, he could validate the results of Dr. Kibble’s work, and vice versa.

From New York Times

Crucially, Avogadro’s constant and the Planck constant are intertwined in the laws of physics.

From New York Times