Physics terms: Q

3 of the Physics glossary’s terms, each with the part of the syllabus where you first meet it.

Q

Quantisationalso quantised, quantization, quantized: The restriction of a quantity, such as the energy of an electron in an atom, to certain discrete values rather than any value.
Introduced in E.1 Structure of the atom
Quantisation of chargealso quantization of charge, charge quantisation, quantised charge: The fact that electric charge exists only in whole-number multiples of the elementary charge, $q = ne$ .
Introduced in D.2 Electric and magnetic fields
Quantum physicsHL only · also quantum theory, quantum mechanics: The physics of systems in which energy and other quantities are exchanged in discrete amounts (quanta), and in which radiation and matter both show wave and particle behaviour.
Introduced in E.2 Quantum physics

Quantisationalso quantised, quantization, quantized

The restriction of a quantity, such as the energy of an electron in an atom, to certain discrete values rather than any value.

Introduced in E.1 Structure of the atom

Quantisation of chargealso quantization of charge, charge quantisation, quantised charge

The fact that electric charge exists only in whole-number multiples of the elementary charge, $q = ne$ .

Introduced in D.2 Electric and magnetic fields

Quantum physicsHL only · also quantum theory, quantum mechanics

The physics of systems in which energy and other quantities are exchanged in discrete amounts (quanta), and in which radiation and matter both show wave and particle behaviour.

Introduced in E.2 Quantum physics