Home
Class 12
PHYSICS
A fixed mass of a gas is first heated is...

A fixed mass of a gas is first heated isobarically to double the volume and then cooled isochorically to decrease the temperature back to the initial value. By what factor would the work done by the decreased, had the process been isothermal?

A

2

B

`1/2`

C

ln 2

D

ln 3

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 110

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 114

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A fixed mass of a gas is adiabatically made to expand to double its volume and then isochorically heated to bring the gas to the original pressure. The ratio of final to initial temperature will be

Two moles of an ideal gas are cooled isochorically and then expanded isobarically to lower the gas temperature back to the initial value. Find the entropy increment of the gas if in this process the gas pressure changed n = 3.3 times.

Two moles of an ideal gas at temperature T_(0) = 300 K was cooled isochorically so that the pressure was reduced to half. Then, in an isobaric process, the gas expanded till its temperature got back to the initial value. Find the total amount of heat absorbed by the gas in the processs

A mole of an ideal gas initially at a temperature T_(1)=290K expands isobarically until its volume increases 2 times. Next the gas is cooled isochorically to its initial temperature T_(1) .Find (a) the incement DeltaU in the internal energy of the gas, (b) the work A done by the gas (c) the amount of the heat Q received by the gas.

Two moles of a certain gas at a temperature T_0=300K were cooled isochorically so that the pressure of the gas got reduced 2 times. Then as a result of isobaric process, the gas is allowed to expand till its temperature got back to the initial value. Find the total amount of heat absorbed by gas in this process.

If one mole of gas doubles its volume at temperature T isothermally then work done by the gas is

A certain mass of a gas is compressed first adiabatically, and then isothermally. In both cases, the initial state of the gas is the same. Is the work done W_(1) in the first case greater than the work done W_(2) in the second case ? Explain.

Volume versus temperature graph of two moles of helium gas is as shown in figure. The ratio of heat absorbed and the work done by the gas in process 1-2 is

Two moles of a certain ideal gas at 300K were cooled at constant volume so that the pressure was reduced to half t he initial value. Then, as a result of heating at constant pressure, the gas expanded till its temperature got back ot the initial value. Find the total amount of heat absorbed by the gas in the process.

NTA MOCK TESTS-NTA NEET SET 113-PHYSICS
  1. A body takes T minutes to cool from 62^@C to 61^@C when the surroundin...

    Text Solution

    |

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

    Text Solution

    |

  3. A fixed mass of a gas is first heated isobarically to double the volum...

    Text Solution

    |

  4. A current- carrying straight wire is kept along the axis of a circular...

    Text Solution

    |

  5. The force between two parallel current carrying wires is independent o...

    Text Solution

    |

  6. A ball A is thrown up vertically with a speed u and at the same instan...

    Text Solution

    |

  7. The maximum height attained by a projectile when thrown at an angle th...

    Text Solution

    |

  8. If the mass of A=10 kg, coefficient of static friction=0.22, coefficie...

    Text Solution

    |

  9. A block moves down a smooth inclined plane of inclination theta. Its v...

    Text Solution

    |

  10. For pair production i.e. for the production of electron and positron, ...

    Text Solution

    |

  11. which a U^(238) nucleus original at rest , decay by emitting an alpha ...

    Text Solution

    |

  12. The x-t graph of a particle undergoing simple harmonic motion is shown...

    Text Solution

    |

  13. Two springs are joined and attached to a mass of 16 kg. The system is ...

    Text Solution

    |

  14. A particle is dropped from a height H. The de Broglie wavelength of th...

    Text Solution

    |

  15. The wavelength of de-Broglie wave associated with a thermal neutron of...

    Text Solution

    |

  16. Bernoulli's theorem is a consequence of the law of conservation of

    Text Solution

    |

  17. A metal rod of length 'L' and cross-sectional area 'A' is heated ...

    Text Solution

    |

  18. Two plano-convex lenses of focal lengths 20cm and 30cm are placed toge...

    Text Solution

    |

  19. A linear object of heigth 10 cm is kept in front of concave mirror of ...

    Text Solution

    |

  20. A uniform disc of mass M and radius R is hinged at its centre C. A for...

    Text Solution

    |