Home
Class 11
PHYSICS
The mathematical form of the combination...

The mathematical form of the combination of the 1st and 2nd law of thermodynamics is?

A

Dq=d U+pdv

B

dQ=C_v dt +pdv

C

Tds=d U+pdv

D

dQ=Tds

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    PATHFINDER|Exercise QUESTION BANK|30 Videos

  • UNITS AND MEASUREMENT

    PATHFINDER|Exercise QUESTION BANK|30 Videos

Similar Questions

Explore conceptually related problems

Write the second law of thermodynamics.

The second law of thermodynamics.

Write one limitation of the first law of thermodynamics .

State first law of thermodynamics.

Write down the third law of thermodynamics .

Write the zeroth law of thermodynamics.

Write the Zeroth law of thermodynamics.

Define first law of thermodynamics.

Explain the significance of the first law of thermodynamics.

PATHFINDER-THERMODYNAMICS,BEHAVIOUR OF PERFECT GAS AND KINETIC THEORY OF GASES AND HEAT TRANSFER- QUESTION BANK
  1. What is the relation between pressure and volume of a gas in adiabatic...

    Text Solution

    |

  2. Initial volume of a gas is 1L and pressure 8 atm. Final pressure becom...

    Text Solution

    |

  3. The mathematical form of the combination of the 1st and 2nd law of the...

    Text Solution

    |

  4. What is atomic number of a molecule of a gas whose y= 1.67?

    Text Solution

    |

  5. If the internal energy U and the work W are expressed in unit of J an...

    Text Solution

    |

  6. Cv=5/2 R for 1 mole of any diatomic ideal gas. The value of the ratio ...

    Text Solution

    |

  7. The amount of work done to convert 1 gm ice at 0^@ into steam at 100^@...

    Text Solution

    |

  8. The process in which in pressure.volume and temperature occur.simultan...

    Text Solution

    |

  9. Work done become zero

    Text Solution

    |

  10. Heat con not transmit from a body at lower temperature to a body at hi...

    Text Solution

    |

  11. Which of the following quantities does not indicate any thermodynamic ...

    Text Solution

    |

  12. The efficiency of an ideal heat engine is

    Text Solution

    |

  13. Which quantity is not intensive variable?

    Text Solution

    |

  14. A bullet becomes hot on hitting a target why?

    Text Solution

    |

  15. When a gas expands adiabatically , does it perform any work? If ,yes w...

    Text Solution

    |

  16. What are intensive and extensive variable?

    Text Solution

    |

  17. Write down the differences between isothermal and adiabatic processes.

    Text Solution

    |

  18. Why Cp is greater than Cv ?

    Text Solution

    |

  19. In the V-T diagram two different points show pressures P1 and P2 .Whic...

    Text Solution

    |

  20. Draw a carnot cycle on a pv diagram and write the expression of effic...

    Text Solution

    |