Home
Class 11
PHYSICS
The coefficient of performance of a Carn...

The coefficient of performance of a Carnot refrigerator working between `30^(@)C` and `0^(@)C` is

A

10

B

1

C

9

D

0

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SURFACE TENSION

    ERRORLESS |Exercise Exercise|214 Videos
  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS |Exercise Self Evaluation Test|15 Videos

Similar Questions

Explore conceptually related problems

The coefficient of performance of a Carnot refrigerator working between 30^(@)C & 0^(@)C is

The coeffcient of performance of a refrigerator working between 10^(@)C and 20^(@)C is

Define coefficient of performance of a refrigerator.

The coefficient of performance of refrigerator, whose efficiencty is 25% is

Efficiency of a heat engine working between a given source and sink is 0.5 . Coefficient of performance of the refrigerator working between the same source and the sink will be

A refrigerator is to maintain eatables kept inside at 7^(@)C . The coefficient opf performance of refrigerator if room temperature is 387^(@)C is

The efficiencty of a carnot engine working between 127^(@) C and 77^(@) C is

ERRORLESS -THERMODYNAMICS-All Questions
  1. Which relation is correct for isometric process

    Text Solution

    |

  2. A Carnot engine working between 300 K and 600 K has work output of 800...

    Text Solution

    |

  3. The coefficient of performance of a Carnot refrigerator working betwe...

    Text Solution

    |

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

    Text Solution

    |

  5. In a cyclic process, the internal energy of the gas

    Text Solution

    |

  6. In a cyclic process, work done by the system is

    Text Solution

    |

  7. An ideal heat engine exhausting heat at 77^(@) is to have a 30% effici...

    Text Solution

    |

  8. Efficiency of Carnot engine is 100% if

    Text Solution

    |

  9. A Carnot's engine used first an ideal monoatomic gas then an ideal dia...

    Text Solution

    |

  10. A Carnot engine absorbs an amount Q of heat from a reservoir at an abs...

    Text Solution

    |

  11. The temperature of sink of Carnot engine is 27^(@)C. Efficiency of eng...

    Text Solution

    |

  12. An ideal Carnot's engine whose efficiency 40% receives heat of 500K. I...

    Text Solution

    |

  13. In a Carnot engine when T(2) = 0^(@)C and T(1) = 200^(@)C its efficien...

    Text Solution

    |

  14. A carnot's engine works between a source at a temperature of 27^(@)C a...

    Text Solution

    |

  15. A Carnot engine operates between 277^(@)Cand . 27^(@)CEfficiency of th...

    Text Solution

    |

  16. A measure of the degree of disorder of a system is known as

    Text Solution

    |

  17. A Carnot engine has the same efficiency between 800 K to 500 K and x K...

    Text Solution

    |

  18. A scientist says that the efficiency of his heat engine which operates...

    Text Solution

    |

  19. A Carnot's engine is made to work between 200^(@)C and 0^(@)C first an...

    Text Solution

    |

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

    Text Solution

    |