Home
Class 12
PHYSICS
Work done during expansion is positive. ...

Work done during expansion is positive. Explain.

Promotional Banner

Topper's Solved these Questions

  • Thermodynamics

    CHETANA PUBLICATION|Exercise EXERCISE|76 Videos

  • Superposition of Waves

    CHETANA PUBLICATION|Exercise EXERCISE|86 Videos

  • Wave Optics

    CHETANA PUBLICATION|Exercise Exercise|90 Videos

Similar Questions

Explore conceptually related problems

Work done during isothermal expansion of one mole of an ideal gas from 10atm to 1atm at 300K is (R=2cal)

Derive an expression for work done during an Isothermal process

The work done in bringing a unit positive charge from infinity to the given point against the direction of electric intensity is

Choose the correct alternative and write it along with its allotted alphabet: Work done A. is always positive B. is always negative C. can be positive, negative or zero D. can never be zero

During the adiabatic expansion of 2 moles of a gas, the internal energy of the gas is found to decrease by 2 joules , the work done during the process on the gas will be equal to

A gas expands from 75 litres to 125 litres at constant pressure of 4 atmosphere. Find the work done by the gas during this expansion.

Expansion during heating

The work done during the process when 1 mol of gas is allowed to expand into vaccum is

What is cyclic process ? Prove that the net work done during a cyclic process is numerically equal to the area of the loop representing the cycle.

The work done in ergs for a reversible expansion of n mole of an ideal gas from a volume of 20 L to 40 L at 25^@ C is_________ .

CHETANA PUBLICATION-Thermodynamics-EXERCISE
  1. The second law of thermpdynamics deals with transfer of

    Text Solution

    |

  2. During refrigration cycle, heat is rejected by the refrigerant in the

    Text Solution

    |

  3. Select and write correct alternative from the following alternatives: ...

    Text Solution

    |

  4. State first law of thermodynamics.

    Text Solution

    |

  5. Work done during expansion is positive. Explain.

    Text Solution

    |

  6. State zeroth law of thermo dynamics? OR Give the characteristics of is...

    Text Solution

    |

  7. Draw a neat labelled diagram to show the energy flow of heat engine.

    Text Solution

    |

  8. State both the statements of second law of thermodynamics.

    Text Solution

    |

  9. Mention the set of processesin a Carnot cycle.

    Text Solution

    |

  10. Distinguish between Reversible and Irreversible process.

    Text Solution

    |

  11. 5 mol of oxygen is heated at constant volume from 10^@C to 20^@C. Find...

    Text Solution

    |

  12. An amount of heat of 100 cal is supplied to a gas. The work done by th...

    Text Solution

    |

  13. An ideal gasin a cylinder is compressed adiabatically to one-third its...

    Text Solution

    |

  14. Derive an expression for efficiency of Carnot cycle.

    Text Solution

    |

  15. Derive an expression for work done in adiabatic process.

    Text Solution

    |

  16. Explain the working of a refrigerator with energy flow diagram?

    Text Solution

    |

  17. A Carnot engine absorbs 1000 J of heat from a reservoir at 127^@C and ...

    Text Solution

    |

  18. A Carnot engine absorbs 1000 J of heat from a reservoir at 127^@C and ...

    Text Solution

    |

  19. What isthe process modification in sterling cycle compared to Carnot.

    Text Solution

    |

  20. what are the uses of sterling cycle.

    Text Solution

    |