Home
Class 12
PHYSICS
A thermodynamic process obeys the follow...

A thermodynamic process obeys the following relation `2dQ=dU+2dW` where dQ, dU, dW has ussual meaning then at which statement is true [given di-atomic gas, R=gas constant] then heat capacity for the process is

A

`(5R)/(2)`

B

`(7R)/(2)`

C

`(3R)/(5)`

D

infinite.

Text Solution

Verified by Experts

The correct Answer is:
D
`2dQ=dU+2dW`
`dQ=dU+dW`
`dQ=dW`
`impliesdU=0`
process is isothermal
Promotional Banner

Topper's Solved these Questions

  • TEST PAPERS

    FIITJEE|Exercise PHYSICS|747 Videos

  • SIMPLE HARMONIC MOTION

    FIITJEE|Exercise Assignment Problems (Objective) (Level-II)|20 Videos

  • WORK, ENERGY AND POWER

    FIITJEE|Exercise COMPREHENSIONS ( Comprehension-II)|5 Videos

Similar Questions

Explore conceptually related problems

Ideal mono-atomic gas is taken through process such that dQ = 3dU. The molar heat capacity for process is:

A monoatomic gas undergoes a process given by 2dU+3dW=0 , then what is the process

An ideal gas undergoes a thermodynamic process in which internal energy of the gas depends on pressure of the gas as U= ap!, where a is a positive constant. Assuming gas to be monoatomic, the molar heat capacity of the gas for given process will be

An ideal gas undergoes a thermodynamic process in which internal energy of the gas depends on pressure of the gas as U = ap^(4) , where a is a positive constant. Assuming gas to be monoatomic, the molar heat capacity of the gas for given process will be

An ideal gas with adiabatic exponent ( gamma=1.5 ) undergoes a process in which work done by the gas is same as increase in internal energy of the gas. Here R is gas constant. The molar heat capacity C of gas for the process is:

An amount of heat is added to a monatomic ideal gas in a process in which the gas performs work Q/2 on its surrounding. Find the molar heat capacity for the process.

An ideal gas undergoes a process in which its pressure and volume are related as PV^(n) =constant,where n is a constant.The molar heat capacity for the gas in this process will be zero if

An ideal gas is made to undergo a termodynamic process given by V prop T^(2) , find the molar heat capacity of the gas for the above process.

An ideal gas expands according to the law pV^(2)= constant (a) Is it heated or cooled ? (b) What is the molar heat capacity in this process?

An ideal gas with adiabatic exponent gamma = 4/3 undergoes a process in which internal energy is related to volume as U = V^2 . Then molar heat capacity of the gas for the process is :

FIITJEE-TEST PAPERS-PHYSICS
  1. Equivalent thermal conductivity of figure given below will be given th...

    Text Solution

    |

  2. As shown in figure, instantaneous current in branck having capacitor C...

    Text Solution

    |

  3. A thermodynamic process obeys the following relation 2dQ=dU+2dW where ...

    Text Solution

    |

  4. A inifinite length current carrying wire is placed in x,y plane parall...

    Text Solution

    |

  5. Three (A,B,C) particle each of mass m are connected by three mass-less...

    Text Solution

    |

  6. A wedge of mass m, lying on a rough horizontal plane, is acted upon by...

    Text Solution

    |

  7. A charge particle is projected in a region of magnetic field and elect...

    Text Solution

    |

  8. De-Broglie wavelengths of the particle increases by 75% then kinetic e...

    Text Solution

    |

  9. A ring of mass m can slide on the vertical smooth rod. Ring is connect...

    Text Solution

    |

  10. A hollow sphere of mass m and radius R is placed on smooth gound. A pa...

    Text Solution

    |

  11. A parent radioactive nucleus A (decay constant lamda(A)) converts into...

    Text Solution

    |

  12. Fundamental note of a closed pipe of lengt is l f(0) at 0^(@)C first o...

    Text Solution

    |

  13. Initial velocity of the block vecu=45hati while external force on it i...

    Text Solution

    |

  14. Time in which a layer of ice of thickness 10 cm will increase by 5 cm ...

    Text Solution

    |

  15. In the arrangement shown in the figure, uniform magnetic field B is up...

    Text Solution

    |

  16. All three spheres are identical having radius 10 cm. there is no slipp...

    Text Solution

    |

  17. Mirror is moving towards the particle with speed 2 cm/sec. Speed of A ...

    Text Solution

    |

  18. Loop ABCD and long straight wire are in the same plane. Side CD=2AB. D...

    Text Solution

    |

  19. Liquid of density rho is filled in the container of negligible mass ha...

    Text Solution

    |

  20. An insulated cylinder contains nitrogen gas which is sealed on the top...

    Text Solution

    |