Planck’s constant, fundamental physical constant characteristic of the mathematical formulations of quantum mechanics, which describes the behavior of particles and waves on the atomic scale, including the particle aspect of light.

Learn about the Planck constant, a fundamental physical constant that relates the energy and frequency of photons. Discover its history, symbols, units and applications in quantum theory and black-body radiation.

In quantum mechanics, energy is exchanged and absorbed in specific amounts, known as quanta. The Planck constant is a number that defines the amount of energy in those quanta and expresses how small things can be. Learn more about the Planck constant in this infographic.

Learn what Planck's constant is, how it relates photon energy to frequency, and why it is important for quantum mechanics. Find out the value of Planck's constant in SI units, eV, and the Dirac constant, and how it was discovered and redefined.

Planck's constant, symbolized as h, is a fundamental universal constant that defines the quantum nature of energy and relates the energy of a photon to its frequency. In the International System of Units ( SI ), the constant value is 6.62607015×10 −34 joule- hertz −1 (or Joule-seconds).

Planck's constant, denoted as ℎ, is a fundamental constant in quantum mechanics that relates the amount of energy carried by photon to its frequency. What is Planck's Length, and What's its Relation to Planck's Constant?

Learn how Planck's constant, the smallest unit of energy, has shaped our understanding of quantum mechanics, technology, and the origin of life. Discover how Planck's constant relates to the efficiency of hydrogen fusion, the structure of matter, and the nature of reality.

Planck's constant is one of the most fundamental constants describing the universe. It defines the quantization of electromagnetic radiation (the energy of a photon) and underpins much of quantum theory.

Planck's constant is a fundamental physical constant that connects energy and frequency of light. Learn how it affects quantum mechanics, the photoelectric effect, and the size of atoms and stars.