max planck discovered that light was a particle and how.
who discovered that light was a particle and how?
max planck
albert einstein first explained the wave–particle duality of light in 1905. louis de broglie hypothesized that any particle should also exhibit such a duality. the velocity of a particle, he concluded, should always equal the group velocity of the corresponding wave. the magnitude of the group velocity is equal to the particle's speed.





























both in relativistic and non-relativistic quantum physics, we can identify the group velocity of a particle's wave function with the particle velocity. quantum mechanics has very accurately demonstrated this hypothesis, and the relation has been shown explicitly for particles as large as molecules.
matter wave
bullet::::- partial wave analysis





























bullet::::- particle





























bullet::::- particle-in-cell





























bullet::::- particle-induced x-ray emission





























bullet::::- particle-size analysis





























bullet::::- particle-size distribution





























bullet::::- particle (disambiguation)





























bullet::::- particle data group





























bullet::::- particle acceleration





























bullet::::- particle accelerator





























bullet::::- particle aggregation





























bullet::::- particle astrophysics





























bullet::::- particle beam





























bullet::::- particle counter





























bullet::::- particle decay





























bullet::::- particle detector





























bullet::::- particle displacement





























bullet::::- particle experiments at kolar gold fields





























bullet::::- particle horizon





























bullet::::- particle identification





























bullet::::- particle image velocimetry





























bullet::::- particle in a box





























bullet::::- particle in a one-dimensional lattice





























bullet::::- particle in a ring





























bullet::::- particle in a spherically symmetric potential





























bullet::::- particle number





























bullet::::- particle number operator
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