Planck's Constant

Definition

Planck's constant (symbolized as h) is a fundamental constant in quantum mechanics that relates the energy of a photon to its frequency. It is used to calculate the energy levels and behavior of particles at the atomic and subatomic scale.

Related terms

Photon:

A fundamental particle of light that carries energy in discrete packets.

Energy Level: The specific allowed energies an electron can have in an atom or molecule.

Quantum Mechanics:

The branch of physics that describes the behavior of matter and energy at extremely small scales, incorporating principles such as wave-particle duality and quantization.