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Lecture 5: Postulates of Quantum Mechanics Video Lecture | Quantum Mechanics for GATE - GATE Physics

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FAQs on Lecture 5: Postulates of Quantum Mechanics Video Lecture - Quantum Mechanics for GATE - GATE Physics

1. What are the key postulates of Quantum Mechanics?
Ans. The key postulates of Quantum Mechanics include the wave-particle duality of matter, the probabilistic nature of physical quantities, the principle of superposition, and the uncertainty principle.
2. How do the postulates of Quantum Mechanics differ from classical physics principles?
Ans. The postulates of Quantum Mechanics differ from classical physics principles in that they involve probabilistic outcomes, wave functions, and non-commuting observables, unlike the deterministic and measurable properties of classical physics.
3. Can you explain the principle of superposition in Quantum Mechanics?
Ans. The principle of superposition in Quantum Mechanics states that a system can exist in multiple states simultaneously until measured, with the overall state being a combination of all possible states.
4. How does Quantum Mechanics explain the behavior of particles at the subatomic level?
Ans. Quantum Mechanics explains the behavior of particles at the subatomic level through wave functions, which describe the probability distribution of a particle's position and momentum, allowing for phenomena such as particle-wave duality.
5. What is the significance of the uncertainty principle in Quantum Mechanics?
Ans. The uncertainty principle in Quantum Mechanics, formulated by Heisenberg, states that the more precisely one property of a particle is known, the less precisely the other can be known. This principle sets a fundamental limit on the accuracy of simultaneous measurements of complementary observables.
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