Home
Class 11
PHYSICS
State the second law of thermodynami...

State the second law of thermodynamics in therms of entropy.

Text Solution

Verified by Experts

"For all the processes that occur in nature (irreversible process), the entropy always increases. For reversible process entropy will not change". Entropy determines the direction in which natural process should occur.
Promotional Banner

Topper's Solved these Questions

  • HEAT AND THERMODYNAMICS

    FULL MARKS|Exercise TEXTUAL EVALUATION SOLVED (III. Long Answer Questions)|24 Videos

  • HEAT AND THERMODYNAMICS

    FULL MARKS|Exercise TEXTUAL EVALUATION SOLVED (IV. Conceptual Questions)|15 Videos

  • HEAT AND THERMODYNAMICS

    FULL MARKS|Exercise TEXTUAL EVALUATION SOLVED (I. Multiple Choice Questions)|13 Videos

  • GRAVITATION

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (Numerical Problems)|18 Videos

  • KINEMATICS

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (LONG ANSWER QUESTIONS)|10 Videos

Similar Questions

Explore conceptually related problems

State Zeroth law of thermodynamic .

When an object cools down, heat is withdrawn from it. Does the entropy of the object decrease in this process? If yes, is it a violation of the second law of thermodynamics stated in terms of increase in entropy?

FULL MARKS-HEAT AND THERMODYNAMICS-TEXTUAL EVALUATION SOLVED (II. Short Answer Questions)
  1. What is PV diagram ?

    Text Solution

    |

  2. Why the specific heat capacity of constant pressure is greater than th...

    Text Solution

    |

  3. Give the equation of state for an isothermal process.

    Text Solution

    |

  4. Define isothermal process. Derive an expression for work done in isoth...

    Text Solution

    |

  5. Express the change in internal energy in terms of molar specifi...

    Text Solution

    |

  6. Apply first law for (a) an isothermal (b) adiabatic (c) isobaric proce...

    Text Solution

    |

  7. Give the equation of state for an adiabatic process.

    Text Solution

    |

  8. Give an equation state for an isochoric process.

    Text Solution

    |

  9. If the piston of a container is pushed fast inward .Will th...

    Text Solution

    |

  10. Define the following terms: (a) Isothermal process (b) adiabatic proce...

    Text Solution

    |

  11. What is a cyclic process ?

    Text Solution

    |

  12. What is meant by reversible and irreversible processes ?

    Text Solution

    |

  13. State Clausius form of the second law of thermodynamics.

    Text Solution

    |

  14. State Kelvin- Planck statement of second law of thermodynamics.

    Text Solution

    |

  15. Define heat engine .

    Text Solution

    |

  16. What are processes involves in a Carnot engine?

    Text Solution

    |

  17. Can the given heat energy be completely converted to work in...

    Text Solution

    |

  18. State the second law of thermodynamics in therms of entropy.

    Text Solution

    |

  19. Why does heat flow from a hot object to a cold object?

    Text Solution

    |

  20. Obtain the Coefficient of performance (COP). (beta).

    Text Solution

    |