Home
Class 11
PHYSICS
If heat Q is added reversibly to a syste...

If heat Q is added reversibly to a system at temperature T and heat `Q'` is taken away from it reversibly at temperature `T'`, then which one of the following is correct

A

`(Q)/(T)-(Q')/(T')=0`

B

`(Q)/(T)-(Q')/(T') gt 0`

C

`(Q)/(T)-(Q')/(T') lt 0`

D

`(Q)/(T)-(Q')/(T')=` change in internal energy of the system

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • LAWS OF THERMODYNAMICS

    CP SINGH|Exercise EXERCISE|131 Videos
  • KINETIC THEORY OF GASES

    CP SINGH|Exercise Exercises|79 Videos
  • MOTION IN A PLANE

    CP SINGH|Exercise Exercises|69 Videos

Similar Questions

Explore conceptually related problems

An ideal gas is allowed to expand both reversibly and irreversibly in an isolated system. If T_i is the initial temperature and T_f is the final temperature, which of the following statement is correct ?

When heat is added to a system at constant temperature, which of the following is possible.

An ideal gas is allowed to expand both reversibly and irreversibly in an an islolated system. If T_(i) is the initial temperature and T_(f) is the final temperature, which of the following statements is correct ?

A Carnot enginer abosrbs an amount Q of heat from a reservoir at an absolute temperature T and rejects heat to a sink at a temperature of T//3 . The amount of heat rejects is

CP SINGH-LAWS OF THERMODYNAMICS-EXERCISE
  1. P-V plots for two gases during adiabatic processes are shown in the fi...

    Text Solution

    |

  2. A gas undergoes a process in which its pressure P and volume V are rel...

    Text Solution

    |

  3. In the figure shown, the processes leveled 1,2,3 and 4 are

    Text Solution

    |

  4. "Heat cannot by itself flow from a body at lower temperature to a body...

    Text Solution

    |

  5. A carnot cycle has the reversible process in the following order:

    Text Solution

    |

  6. Choose the incorrect statement from the following: S1: The efficienc...

    Text Solution

    |

  7. An ideal gas is subjected to cyclic process involving four thermodynam...

    Text Solution

    |

  8. Helium gas goes through a cycle ABCDA (consisting of two isochoric and...

    Text Solution

    |

  9. The maximum possible efficiency of an engine that aborbs hat at 327^@...

    Text Solution

    |

  10. The efficiency of a carnot engine is (1)/(6). If the temperature of th...

    Text Solution

    |

  11. Efficiency of a Carnot engine is 50% when temperature of outlet is 500...

    Text Solution

    |

  12. An ideal refrigerator has a freezer at a temperature of -13^(@)C. The ...

    Text Solution

    |

  13. An ideal refrigerator is used to transfer heat from a freezer at -23^@...

    Text Solution

    |

  14. In a refrigerator, heat from inside at 277K is transferred to a room a...

    Text Solution

    |

  15. If the door of a refrigerator is kept open, then which of the followin...

    Text Solution

    |

  16. A Carnot engine, having an efficiency of eta=1//10 as heat engine, is ...

    Text Solution

    |

  17. Which of the following statements is correct for any thermodynamic sys...

    Text Solution

    |

  18. A mearsure of the degree of disorder of a system is known as

    Text Solution

    |

  19. The change in the entropy of a 1 mole of an ideal gas which went throu...

    Text Solution

    |

  20. If heat Q is added reversibly to a system at temperature T and heat Q'...

    Text Solution

    |