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Classical Physics is based on Newtonian Physics, which is accurate for macroscopic practical daily life scenarios. The laws of physics are based on those created by Isacc Newton in the 15th and 16th century.
In 1905, Albert Einstein founded the Theory of Special Relativity which proved that Newton's laws of physics were not complete and were actually wrong. It also proved that the speed of light was a universal constant and nothing could travel faster.
Newton's laws were nearly exact in our normal lives. But when you are dealing with extremely small scale problems such as with atoms or when you dealing with great velocities, the results seem to disobey Newton's predictions. The universe behaves and was found to be much different than it first appeared!
Einsteins new equations were basically a "polished" version of Newton's equations, which applies to both low and high speeds. This is how quantum physics was founded and much of it is based on these new equations! It mostly deals with high speeds or atomic scales. Think of quantum mechanics as the "polished" version of classical physics, it tells the whole story of physics and not just an estimate.
For instance, you may not notice it when walking down a street but time slows down by an astronomically small amount and your body contracts by a very small amount, relative to the outside universe. It becomes much more apparent at extremely high speeds. As unnoticeable as it is, the effects exist everywhere.
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In classic physics everything is deterministic; in quantum physics nothing is.
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What is the significance of the Bell inequality in quantum mechanics and how does it challenge classical physics theories?
The Bell inequality in quantum mechanics is significant because it demonstrates that certain correlations between particles cannot be explained by classical physics theories. This challenges the idea that particles have predetermined properties and suggests that quantum mechanics operates differently from classical physics.
Why classical physics changes from classical to quantum?
Classical physics fails to accurately describe phenomena at the quantum scale, like particles behaving as waves and existing in superpositions. Quantum mechanics, with principles like wave-particle duality and quantization of energy levels, provides a more comprehensive framework to explain such phenomena. Thus, the transition from classical to quantum physics occurs due to the limitations of classical physics in describing the behavior of particles at the quantum level.
What is the significance of the classical turning point in the context of quantum mechanics?
In quantum mechanics, the classical turning point is a critical point where a particle's behavior transitions from classical to quantum. It marks the boundary between regions where classical physics and quantum mechanics are most applicable. This point is significant because it helps us understand how particles behave differently at the quantum level compared to the classical level.
What are the key differences between quantum mechanics and physics?
Quantum mechanics is a branch of physics that deals with the behavior of particles at the smallest scales, while physics is a broader field that encompasses the study of matter, energy, and their interactions at all scales. Quantum mechanics introduces concepts such as superposition and entanglement that are not present in classical physics, and it has led to the development of technologies like quantum computing. Physics, on the other hand, includes classical mechanics, electromagnetism, thermodynamics, and other branches that do not rely on quantum principles.
What is the difference between physics and quantim physics?
Quantum physics is an area of physics that focuses mainly on the properties and behaviour of sub-atomic particles. Physics in general can be the study of anything from the life cycle of a star to the effects of gravitational fields.
What is the difference between quantum physics and physics?
Nothing. Quantum is a branch of physics
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 correspondence principle as first articulated by Bohr?
The correspondence principle, articulated by Bohr in 1923, states that the behavior of quantum systems must reflect classical physics in the limit of large quantum numbers. This principle reconciles the differences between classical and quantum mechanics by showing that classical physics is a limiting case of quantum mechanics. It asserts that the predictions of quantum mechanics converge to classical physics predictions as the quantum numbers become large.
What is the significance of the Bell inequality in quantum mechanics and how does it challenge classical physics theories?
The Bell inequality in quantum mechanics is significant because it demonstrates that certain correlations between particles cannot be explained by classical physics theories. This challenges the idea that particles have predetermined properties and suggests that quantum mechanics operates differently from classical physics.
Why classical physics changes from classical to quantum?
Classical physics fails to accurately describe phenomena at the quantum scale, like particles behaving as waves and existing in superpositions. Quantum mechanics, with principles like wave-particle duality and quantization of energy levels, provides a more comprehensive framework to explain such phenomena. Thus, the transition from classical to quantum physics occurs due to the limitations of classical physics in describing the behavior of particles at the quantum level.
What are the two major of physical?
classical physics and (Quantum or modern) Physics
2 divisions of physics?
Classical (or Newtonian) and Quantum.
What is the significance of the classical turning point in the context of quantum mechanics?
In quantum mechanics, the classical turning point is a critical point where a particle's behavior transitions from classical to quantum. It marks the boundary between regions where classical physics and quantum mechanics are most applicable. This point is significant because it helps us understand how particles behave differently at the quantum level compared to the classical level.
What is difference between classical physics and moedrn physics?
The distinction is a little fuzzy, but generally everything before Quantum and Relativistic Physics is considered classical. The conceptual distinctions are numerous, but in general the label 'modern' carries a meaning of loss of certainty- Relativity did away with the ceratinty of a perfect frame of reference, and Quantum mechanics let go of determinism and instead embraced a random, statistical model of particle behaviour.
What are the key differences between quantum mechanics and physics?
Quantum mechanics is a branch of physics that deals with the behavior of particles at the smallest scales, while physics is a broader field that encompasses the study of matter, energy, and their interactions at all scales. Quantum mechanics introduces concepts such as superposition and entanglement that are not present in classical physics, and it has led to the development of technologies like quantum computing. Physics, on the other hand, includes classical mechanics, electromagnetism, thermodynamics, and other branches that do not rely on quantum principles.
Who created Quantum Mechanics and is it true that it is replacing the old physics?
Quantum Mechanics "replaced" Classical Mechanics in particle physics in mid-1930s.
What has the author Franco Battaglia written?
Franco Battaglia has written: 'Notes in classical and quantum physics' -- subject(s): Quantum theory, Physics
