मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

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

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प्रश्न

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

पर्याय

  • cyclic

  • isobaric

  • isochoric

  • adiabatic

MCQ
रिकाम्या जागा भरा
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उत्तर

For work done to be reversible, the process should be adiabatic.

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पाठ 4: Thermodynamics - MCQ’s

संबंधित प्रश्‍न

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


State the assumptions made for thermodynamic processes.


3 mole of a gas at temperature 400 K expands isothermally from an initial volume of 4 litres to a final volume of 8 litres. Find the work done by the gas. (R = 8.31 J mol-1 K-1)  


An ideal gas of volume 2 L is adiabatically compressed to (1/10)th of its initial volume. Its initial pressure is 1.01 x 105 Pa, calculate the final pressure. (Given 𝛾 = 1.4) 


Explain work done during a thermodynamic process.


Explain the thermodynamics of the isochoric process.  


When food is cooked in a vessel by keeping the lid closed, after some time the steam pushes the lid outward. By considering the steam as a thermodynamic system, then in the cooking 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)


Give the equation of state for an isothermal process.


Give an equation state for an isochoric process.


Draw the PV diagram for the isothermal process.


Draw the PV diagram for the adiabatic process.


Can the given heat energy be completely converted to work in a cyclic process? If not, when can the heat can completely converted to work?


Derive the work done in an isothermal process.


Explain the isobaric process and derive the work done in this 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)


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, ______


Two identical samples of a gas are allowed to expand (i) isothermally (ii) adiabatically. Work done is ____________.


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)


Give any two types of a thermodynamic process.


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


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


Explain how can a gas be expanded at constant temperature.


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