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First Law Of Thermodynamics - Practice Questions & MCQ
Edited By admin | Updated on Sep 25, 2023 25:23 PM | #NEET
Quick Facts
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First law of Thermodynamics is considered one of the most asked concept.
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32 Questions around this concept.
Solve by difficulty
Which of the following is incorrect regarding the first law of thermodynamics?
In a given process of an ideal gas dW=0 and dQ<0. Then for the gas
An ideal gas is taken via path as shown in figure. The net work done in the whole cycle is
Concepts Covered - 1
First law of Thermodynamics
First law of thermodynamics -
According to it heat given to a system (Q) is equal to the sum of increase in its internal energy (U) and the work done (W) by the system against the surroundings.
or For cyclic process
Drawback of First law of thermodynamics -
- First law of thermodynamics does not tell us reason about the direction of heat transfer.
Important points -
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Q and W are the path functions but U is the point function.
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First law of thermodynamics introduces the concept of internal energy.
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