Home
Class 11
PHYSICS
Choose the incorrect statement from the ...

Choose the incorrect statement from the following:
S1: The efficiency of a heat engine can be 1, but the coefficient of performance of a refrigerator can never be infinity
S2: The first law of thermodynamics is basically the principle of conservation of energy
S3: The second law of thermodynamics does not allow
S4: A process, whose sole result is the transfer of heat from a colder object to hotter object is impossible

A

S1

B

S3

C

S2

D

S4

Text Solution

Verified by Experts

The correct Answer is:
A
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

Choose the incorrect statement (s) from the following

The first law of thermodynamics is based on the law of conservation of

The first law of thermodynamics is a statement of :

The first law of thermodynamics confirms the law of

The second law of thermodynamics deals with transfer of

The first law of thermodynamics for isothermal process is

The first law of thermodynamics is concerned with the conservation of

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

    |