Home
Class 12
PHYSICS
Which of the following is incorrect rega...

Which of the following is incorrect regarding the first law of thermodynamics?

A

It is not applicable to any cyclic process

B

It is a restatement of the principle of conservation of energy

C

It introduces the concept of the internal energy

D

It introduces the concept of the entropy

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • Thermodynamics

    MOTION|Exercise EXERCISE - 3 SECTION|1 Videos

  • SURFACE TENSION & VISCOSITY

    MOTION|Exercise Exercise - 4 | Level-II Previous Year | JEE Advanced|12 Videos

  • UNIT & DIMENSIONS

    MOTION|Exercise Exercise - 4 (Level - II) (PREVIOUS YEAR JEE ADVANCED)|10 Videos
MOTION-Thermodynamics-EXERCISE - 3 SECTION b
  1. A Carnot engine takes 3xx10^6 cal of heat from a reservoir at 627^@C a...

    Text Solution

    |

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

    Text Solution

    |

  3. Which of the following is incorrect regarding the first law of thermod...

    Text Solution

    |

  4. The temperature -entropy diagram of a reversible engine cycle is given...

    Text Solution

    |

  5. A system goes from A and B via two processes. I and II as shown in fig...

    Text Solution

    |

  6. The work of 146 kJ is performed in order to compress one kilo mole of ...

    Text Solution

    |

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

    Text Solution

    |

  8. When a system is taken from state i to state f along the path iaf, it ...

    Text Solution

    |

  9. Assume the gas to be ideal, the work done on the gas in taking it from...

    Text Solution

    |

  10. Two moles of helium gas are taken over the cycle ABCDA, as shown in th...

    Text Solution

    |

  11. Two moles of helium gas are taken over the cycle ABCDA, as shown in th...

    Text Solution

    |

  12. A diatomic ideal gas is used in a Carnot engine as the working substan...

    Text Solution

    |

  13. A thermally insulated vessel contains an ideal gas of molecular mass M...

    Text Solution

    |

  14. A carnot engine operating between temperatures T(1) and T(2) has effic...

    Text Solution

    |

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

    Text Solution

    |

  16. A Carnot engine, whose efficiency is 40%, takes in heat from a source ...

    Text Solution

    |

  17. The above p-v diagram represents the thermodynamic cycle of an engine,...

    Text Solution

    |

  18. One mole of a diatomic ideal gas undergoes a cyclic process ABC as sho...

    Text Solution

    |

  19. A solid body of constant heat capacity 1J//^@C is being heated by keep...

    Text Solution

    |

  20. n' moles of an ideal gas undergoes a process AtoB as shown in the figu...

    Text Solution

    |