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प्रश्न
For work done to be reversible, the process should be ______
विकल्प
cyclic
isobaric
isochoric
adiabatic
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उत्तर
For work done to be reversible, the process should be adiabatic.
संबंधित प्रश्न
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?
Draw a p-V diagram showing negative work with varying pressure.
Draw a p-V diagram showing positive work at constant pressure.
Differentiate between the reversible and irreversible processes.
Explain the cyclic process.
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)
Explain graphically (i) positive work with varying pressure, (ii) negative work with varying pressure, and (iii) positive work at constant pressure.
Write a note on free expansion.
Explain the thermodynamics of the isobaric process.
Explain thermodynamics of the adiabatic process.
In an isochoric process, we have ____________.
Draw the PV diagram for the isobaric process.
Draw the PV diagram for the isochoric process.
What is a cyclic process?
Derive the work done in an isothermal process.
What are the limitations of the first law of thermodynamics?
For a given ideal gas 6 × 105 J heat energy is supplied and the volume of gas is increased from 4 m3 to 6 m3 at atmospheric pressure. Calculate
- the work done by the gas
- change in internal energy of the gas
- graph this process in PV and TV diagram
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)`
Two identical samples of a gas are allowed to expand (i) isothermally (ii) adiabatically. Work done is ____________.
In which of the following processes, beat is neither absorbed nor released by a system?
An ideal gas A and a real gas B have their volumes increased from V to 2V under isothermal conditions. The increase in internal energy ____________.
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?
When an inflated ballon is suddenly burst, why is the emerging air slightly cooled?
In a cyclic process, if ΔU = internal energy, W = work done, Q = Heat supplied then ______.
