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Hamiltonian and Lagrangian Formalism and Equations of Motion Video Lecture | CSIR NET Crash Course for Physical Science - CSIR NET Physical Science

FAQs on Hamiltonian and Lagrangian Formalism and Equations of Motion Video Lecture - CSIR NET Crash Course for Physical Science - CSIR NET Physical Science

1. What is the difference between the Hamiltonian and Lagrangian formalism in classical mechanics?
Ans. In the Lagrangian formalism, the equations of motion are derived from the difference between kinetic and potential energy, while in the Hamiltonian formalism, the equations of motion are derived from the total energy of the system.
2. How are the Hamiltonian and Lagrangian equations of motion related to each other?
Ans. The Hamiltonian and Lagrangian equations of motion are equivalent and can be derived from each other using the Legendre transformation.
3. How can the Hamiltonian and Lagrangian formalism be applied to solve complex physical problems?
Ans. The Hamiltonian and Lagrangian formalism provide a powerful mathematical framework for solving complex physical problems by simplifying the equations of motion and allowing for easier analysis.
4. Can the Hamiltonian and Lagrangian formalism be used in quantum mechanics as well?
Ans. Yes, the Hamiltonian and Lagrangian formalism can be extended to quantum mechanics to describe the dynamics of quantum systems and derive the Schrödinger equation.
5. What are the advantages of using the Hamiltonian formalism over the Lagrangian formalism in certain physical systems?
Ans. The Hamiltonian formalism is often preferred over the Lagrangian formalism in systems with constraints or when dealing with systems where energy conservation is crucial, as it provides a more direct approach to deriving the equations of motion.
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