Physics Exam > Physics Videos > Basic Physics for IIT JAM > State Function and Path Function
State Function and Path Function Video Lecture | Basic Physics for IIT JAM
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FAQs on State Function and Path Function Video Lecture - Basic Physics for IIT JAM
| 1. What is a state function? |  |
Ans. A state function is a property of a system that depends only on its current state and not on how it reached that state. It means that the value of a state function is determined by the initial and final states of the system, regardless of the path taken to reach those states.
| 2. What is a path function? | |
Ans. A path function is a property of a system that depends on the path taken to reach a particular state. Unlike state functions, the value of a path function is not solely determined by the initial and final states of the system but also depends on the process or path followed to reach those states.
| 3. Can you provide examples of state functions? | |
Ans. Yes, there are several examples of state functions, such as temperature, pressure, volume, internal energy, enthalpy, and entropy. These properties only depend on the current state of the system and do not consider how the system reached that state.
| 4. What are some examples of path functions? | |
Ans. Examples of path functions include work and heat. The amount of work done on or by a system and the amount of heat transferred to or from a system depend not only on the initial and final states but also on the path or process followed to reach those states.
| 5. Why is it important to distinguish between state functions and path functions? | |
Ans. Distinguishing between state functions and path functions is crucial in thermodynamics as it helps us understand the behavior and properties of systems. State functions allow us to determine the equilibrium state of a system, whereas path functions provide insights into the processes and energy transfers involved. This distinction allows for the formulation of thermodynamic laws, such as the first and second laws of thermodynamics, which help analyze and predict the behavior of systems in various scenarios.
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Nov 15, 2024 Last updated |
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