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Draw a p-V diagram showing positive work with varying pressure.

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प्रश्न

Draw a p-V diagram showing positive work with varying pressure. 

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उत्तर

p-V diagram showing positive work with varying pressure:

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अध्याय 4: Thermodynamics - Short Answer I

संबंधित प्रश्न

Explain why The climate of a harbour town is more temperate than that of a town in a desert at the same latitude.


Give an example of some familiar process in which heat is added to an object, without changing its temperature.


An ideal gas is taken through an isothermal process. If it does 2000 J of work on its environment, how much heat is added to it?


For work done to be reversible, the process should be ______ 


Draw a p-V diagram showing positive work at constant pressure. 


Write a note on free expansion.


Explain work done during a thermodynamic process.


When a cycle tyre suddenly bursts, the air inside the tyre expands. This process is ____________.


In an isochoric process, we have ____________.


Apply first law for an isobaric process.


Give an equation state for an isochoric process.


Draw the PV diagram for the isobaric process.


Derive the work done in an isothermal process.


Derive the work done in an adiabatic process.


Draw the TP diagram (P-x axis, T-y axis), VT(T-x axis, V-y axis) diagram for

  1. Isochoric process
  2. Isothermal process
  3. Isobaric process

Consider the following cyclic process consist of isotherm, isochoric and isobar which is given in the figure.

Draw the same cyclic process qualitatively in the V-T diagram where T is taken along the x-direction and V is taken along the y-direction. Analyze the nature of heat exchange in each process.


A thermodynamic system undergoes cyclic process ABCDA as shown in the figure. The work done by the system is ______

 


Among the amount of heat absorbed and the amount of work done by a system, ______


An ideal gas is made to go from a state A to stale B in the given two different ways (see figure) (i) an isobaric and then an isochoric process and (ii) an isochoric and then an isobaric process. The work done by gas in the two processes are W1 and W2 respectively. Then,


An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in the maximum work done on the gas?


Ideal gas for which 'ϒ' = 1.5 is suddenly compressed to `1/4`th of its initial volume. The ratio of 4 the final pressure to the initial pressure is ______.

 `(ϒ = "C"_"p"/"C"_"v")`


The work done on the system in changing the state of a gas adiabatically from equilibrium state A to equilibrium state B is 22.4 J. If the gas is taken from state A to B through another process in which the net heat absorbed by the system is 15.5 cal, then the net work done by the system in the latter case is ______.

( l cal = 4.2 J)


Which of the following processes is reversible?  


Give any two types of a thermodynamic process.


In the figure shown here, the work done in the process ACBA is ______.


In a cyclic process, if ΔU = internal energy, W = work done, Q = Heat supplied then ______.


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