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Q.
Work done in an adiabatic process between a given pair of end states depends on A. The end states only.
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a
The end states only
b
Particular adiabatic process
c
Mass of the system
d
None of the above
answer is A.
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Detailed Solution
Concept- End states of a system are dictated by the system's internal energy. There is no heat transmission in an adiabatic system. As a result, the dQ will be zero.
Formula used:
, where
is the heat energy,
is the work done and dU is the internal energy.
The internal energy levels at such states can be used to determine the end states. In the case of a system S, heat energy (dQ) can be employed to do work (dW) or to store energy as potential energy (dU)
The interesting part is that dQ will be 0 for an adiabatic process. As a result, the work done in an adiabatic process is solely determined by the internal energy. End states, in other words. As a result, A is the correct answer.
Further information:
In a real-world context, it is difficult to construct an adiabatic system. Because thermal isolation is difficult to establish. As a result, the adiabatic process is an ideal instance. Some cases, however, can be approximated as an adiabatic process. The scenarios are as follows: relatively well thermally isolated systems, a quick process with no time for heat to escape or enter, and a very large system.
We can derive the adiabatic process equation.
We can write the first law of thermodynamics as follows:
For an adiabatic process, d Q will be zero.
Where,


is the pressure,
is the change in volume,
is the specific heat at constant volume and dT is the change in temperature.
_______(1)
Now we can use the ideal gas equation.
After differentiating the ideal gas equation, we can write as,
__________(2)
Substitute this equation into equation(1)
Divide this equation with 
We can integrate this equation,
, here
known as adiabatic index and
is a constant.
We can write this equation as,
Hence, the correct answer is option 1.
Formula used:
The internal energy levels at such states can be used to determine the end states. In the case of a system S, heat energy (dQ) can be employed to do work (dW) or to store energy as potential energy (dU)
Further information:
In a real-world context, it is difficult to construct an adiabatic system. Because thermal isolation is difficult to establish. As a result, the adiabatic process is an ideal instance. Some cases, however, can be approximated as an adiabatic process. The scenarios are as follows: relatively well thermally isolated systems, a quick process with no time for heat to escape or enter, and a very large system.
We can derive the adiabatic process equation.
We can write the first law of thermodynamics as follows:
Now we can use the ideal gas equation.
Substitute this equation into equation(1)
We can write this equation as,
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