What are the branches of physics?

The term "physical”Comes from the Greek word physis that translates "reality" or "nature", so that we can affirm that it is the science that analyzes the relationships of space, time, matter, energy and the relationships between them.

It is one of the so-called "hard science"Or"exact Sciences”, Since it deals with the study of reality by applying the steps of the scientific method, which demands rigorous observation, experimental verification and other methods that guarantee accuracy in their hypothesis and results.

Physics finds its natural language in math, whose tools he borrows in order to express the relationships he deals with. In addition, it has frequent meeting points with the chemistry, biology and other disciplines such as engineering and geochemistry.

Pillars of physics

Physics is based on four Basic theoretical "pillars", that is to say, in four great areas of interest from which the different phenomena of the matter are approached. They should not be confused with the branches of physics, which are its structuring as a scientific discipline.

Branches of physics

Physics can be classified into three types:

Within this classification, we can organize physics into branches according to the size of the objects they study, as follows:

1. Cosmology. It is interested in the relationships existing in the entire universe, as a uniform and joint entity. This implies understanding the origin of everything that exists, handling hypotheses of where the universe is going and what its future may be.
2. Astrophysics. His interest lies in the relationships between stars. It is the study of physics applied to astronomy. Study the origin and evolution of stars, galaxies, black holes, and all physical phenomena that occur in outer space.
3. Geophysics. By limiting their perspective to planet Earth, geophysicists deal with the relationships of the matter that composes it, from its magnetic field to the mechanics of the fluids in its core. metal molten.
4. Biophysics. Avocados to the study of life, the physicists of this branch are interested in the relationships of the matter that composes, surrounds and houses the living beings, which may involve studying their bodies, their cells, or their ecosystems.
5. Atomic physics. His study focuses on the atoms that make up matter and the interactions that exist between them.
6. Nuclear physics. This branch deals essentially with atomic nuclei, their components and what happens to them during, for example, the processes of nuclear fission and fusion, or radioactive decay. Nuclear physics is studied within the framework of quantum mechanics.
7. Photonics. This branch of physics, which is also part of quantum mechanics, is interested in photons, which are the elementary particles associated with the electromagnetic field. In the frequency spectrum of visible light, photons are what is commonly known as light.

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