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Classical physics is the physics without considering quantum mechanics. This is the type of physics practiced by for example Newton (you might also come across the term Newtonian physics). General relativity is also a classical theory.

The distinction is often used because quantum mechanics changed quite a bit in many fields of physics, so the term 'classical physics' allows for a clear distinction.

The opposite of classical physics would be quantum physics.

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Q: What is the definition of classical physics?
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Who is the father is classical physics?

Sir Isaac newton is the undisputed father of classical physics.


What are the branches of physics under classical physics and modern physics?

The main branches of classical physics include: Classical Mechanics Electromagnetism Classical Optics Thermodynamics Fluid mechanics In modern physics, there are a lot of different fields of study including: The Special Theory of Relativity The General Theory of Relativity Quantum Mechanics. Nuclear Particle Physics Solid state physics, incuding semiconductors. Statistical thermodynamics Quantum Electrodynamics (QED) Quantum Chromodynamics (QCD) In Modern Physics, optics and electricity & magnetism have been unified, especially through the use of Special Relativity. [Three of the most important fields of Modern Physics had been left out. I have put them first , second, and third on the list. By definition, these are Modern Physics because they are products of the 20th century. Also, some very important parts of Classical Physics had been left out, such as fluid mechanics.]


Why classical physics changes from classical to quantum?

actually, classical physics can be formulated as an approximation of the laws of quantum theory, where the Planck constant tends to 0.


What are the two major divisions of physics?

classical physics and (Quantum or modern) Physics


What are the subdivision of classical physics?

There are many different subdivisions of classical physics. These subdivisions can be categorized as dynamics, hydrodynamic, acoustics, optics, mechanics, statics, magnetism, thermodynamics, and electricity. Basically, classical physics is physics dealing with things we can see or touch.

Related questions

Who is the father is classical physics?

Sir Isaac newton is the undisputed father of classical physics.


What are the branches of physics under classical physics and modern physics?

The main branches of classical physics include: Classical Mechanics Electromagnetism Classical Optics Thermodynamics Fluid mechanics In modern physics, there are a lot of different fields of study including: The Special Theory of Relativity The General Theory of Relativity Quantum Mechanics. Nuclear Particle Physics Solid state physics, incuding semiconductors. Statistical thermodynamics Quantum Electrodynamics (QED) Quantum Chromodynamics (QCD) In Modern Physics, optics and electricity & magnetism have been unified, especially through the use of Special Relativity. [Three of the most important fields of Modern Physics had been left out. I have put them first , second, and third on the list. By definition, these are Modern Physics because they are products of the 20th century. Also, some very important parts of Classical Physics had been left out, such as fluid mechanics.]


What is radioactive decay in classical physics?

impossible & inexplicable. in classical physics radioactivity simply can't happen.


Why classical physics changes from classical to quantum?

actually, classical physics can be formulated as an approximation of the laws of quantum theory, where the Planck constant tends to 0.


What are the two major divisions of physics?

classical physics and (Quantum or modern) Physics


What are the subdivision of classical physics?

There are many different subdivisions of classical physics. These subdivisions can be categorized as dynamics, hydrodynamic, acoustics, optics, mechanics, statics, magnetism, thermodynamics, and electricity. Basically, classical physics is physics dealing with things we can see or touch.


What is the 2 main branches of physic?

Classical Physics and Modern Physics


What are the two major of physical?

classical physics and (Quantum or modern) Physics


What is the similarities of classical physics to modern physics?

they are both under science


Distinguish between quantum and classical physics?

Newtonian, or classical physics applies to physical, every day things, while quantum physics is a type of theoretical physics that does not apply to any physical things.


What is the Definition of Classical planets?

planets that are classical


Give 5 branches of classical physics?

give 5 branches of physics