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Chapter 12 : Quantum and Nuclear Physics

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Matter waves

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Terms in this set (15)

The wave-like properties of particles

Pair annihilation

When a particle meets its antiparticle their total mass is converted into a pair of photons of identical energy (emitted at right angles)

Pair production

When a photon of the right energy is in a strong electric field it can turn into a particle and an antiparticle

photoelectric effect

The emission of electrons from an illuminated surface (if the light is above a minimum frequency) showing the particle nature of light

Potential barrier

An energy restriction e.g. energy required to unbind an electron in an atom