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Draw a p-V diagram of the reversible process. - Physics

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प्रश्न

Draw a p-V diagram of the reversible process. 

आकृति
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उत्तर

 
p-V diagram of reversible process

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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.


A thermodynamic system is taken from an original state to an intermediate state by the linear process shown in Figure

Its volume is then reduced to the original value from E to F by an isobaric process. Calculate the total work done by the gas from D to E to F


Heating a gas in a constant volume container is an example of which process?


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


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


Explain work done during a thermodynamic process.


The V-T diagram of an ideal gas which goes through a reversible cycle A→B→C→D is shown below. (Processes D→A and B→C are adiabatic)

The corresponding PV diagram for the process is (all figures are schematic)


In an isochoric process, we have ____________.


Give the equation of state for an isothermal process.


Give an expression for work done in an isothermal process.


Apply first law for an isobaric process.


Give the equation of state for an adiabatic process.


Draw the PV diagram for the isothermal process.


Draw the PV diagram for the isochoric process.


Explain in detail the isochoric 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

In an adiabatic expansion of the air, the volume is increased by 4%, what is the percentage change in pressure? (For air γ = 1.4)


In a petrol engine, (internal combustion engine) air at atmospheric pressure and temperature of 20°C is compressed in the cylinder by the piston to `1/8` of its original volume. Calculate the temperature of the compressed air. (For air γ = 1.4)


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.


An ideal gas is taken in a cyclic process as shown in the figure. Calculate

  1. work done by the gas
  2. work done on the gas
  3. Net work done in the process


A monoatomic gas of pressure p having volume V expands isothermally to a volume 2V and then adiabatically to a volume 16V. The final pressure of the gas is ____________.

`("ratio of specific heats" = 5/3)`


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


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")`


Explain the thermodynamic process.


When an inflated ballon is suddenly burst, why is the emerging air slightly cooled?


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