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

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

Advertisements
Advertisements

प्रश्न

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

आकृती
Advertisements

उत्तर

p-V diagram showing positive work at constant pressure:

shaalaa.com
Thermodynamic Process
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Thermodynamics - Short Answer I

संबंधित प्रश्‍न

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


Answer in brief.

Why should a Carnot cycle have two isothermal two adiabatic processes?


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


Draw a p-V diagram of the irreversible process. 


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


Differentiate between the reversible and irreversible 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)  


Explain graphically (i) positive work with varying pressure, (ii) negative work with varying pressure, and (iii) positive work at constant pressure. 


Explain work done during a thermodynamic process.


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


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


Give the equation of state for an isothermal process.


Apply first law for an isothermal process.


Give an equation state for an isochoric process.


Draw the PV diagram for the adiabatic process.


Draw the PV diagram for 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

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

  1. the work done by the gas
  2. change in internal energy of the gas
  3. 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 ____________.


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 ____________.


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")`


Which of the following processes is reversible?  


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


In a certain thermodynamical process, the pressure of a gas depends on its volume as kV3. The work done when the temperature changes from 100°C to 300°C will be ______ nR, where n denotes number of moles of a gas.


Explain the thermodynamic process.


An ideal gas is taken through a cyclic process ABCDA as shown in figure. The net work done by the gas during the cycle is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×