Question

What does it mean when one say that "large no of situations in physics where certain physical quantities are quantized". How are physical quantities are quantised? What does it mean that physical quantities are quantized.

Answer 1

Dear student,
Quantised physical quantity means that the given physical quantity will have certain discrete values.
e.g, the matter is quantized because it is composed of individual particles that cannot be subdivided or we can say that it is not possible to have half an electron.
Also, the energy levels of electrons in atoms are quantized as the energy associated with the electron can have only a certain value.
Electrical charge, energy, light, angular momentum, and matter are all quantized on the microscopic level as they all have certain discrete values.
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