Home
Class 12
PHYSICS
In an adiabatic expansion of 2 moles of ...

In an adiabatic expansion of 2 moles of a gas, the change in its internal energy was found to be –100J. The work done in this process is :

A

0

B

400 J

C

`-200 J`

D

200 J

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 91

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 93

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

During an adiabatic expansion of 2 moles of a gas, the change in internal energy was found –50 J . The work done during the process is

During the adiabatic expansion of 2 moles of a gas, the internal energy was found to have decreased by 100 J . The work done by the gas in this process is

During the adiabatic expansion of 2 moles of a gas, the internal energy of the gas is found to decrease by 2 joules , the work done during the process on the gas will be equal to

In an adiabatic process 90 J of work is done on the gas. The change in internal energy of the gas is

During adiabatic expension of 10 mol es of a gas , internal energy decrease, by 700 J . Work done during the process is xxx10^(2) J . What is x ?

The change in internal energy of two moles of a gas during adiabatic expansion is found to be -100 Joule. The work done during the process is

At 27^@C two moles of an ideal monatomic gas occupy a volume V. The gas expands adiabatically to a volume 2V . Calculate (a) final temperature of the gas (b) change in its internal energy and (c) the work done by the gas during the process. [ R=8.31J//mol-K ]

At 27^@C two moles of an ideal monoatomic gas occupy a volume V. The gas expands adiabatically to a volume 2V. Calculate (i) the final temperature of the gas, (ii) change in its internal enegy, and (iii) the work done by the gas during this process.

Statement-1 : In an adiabatic process, change in internal energy of a gas is equal to work done on/by the gas in the process. Statement-2 : This is because temp.of gas remains constant in an adiabatic process.

For an ideal gas, (i) the change in internal energy in a constant pressure process from temperature T_1 to T_2 is equal to nC_V(T_2-T_1) , where C_V is the molar heat capacity at constant volume and n is the number of moles of the gas (ii) The change in internal enregy of the gas and the work done by the gas are equal in magnitude in an adiabatic process. (iii) The internal energy does not change in an isothermal process. ltbr. (iv) no heat is added or removed in an adiabatic process

NTA MOCK TESTS-NTA NEET SET 92-PHYSICS
  1. Four rods with different radii r and length l are used to connect two ...

    Text Solution

    |

  2. The relation between efficiency 'eta' of a heat engine and the co-effi...

    Text Solution

    |

  3. In an adiabatic expansion of 2 moles of a gas, the change in its inter...

    Text Solution

    |

  4. Two circular coils X and Y, having equal number of turns and carrying ...

    Text Solution

    |

  5. Two ions having masses in the ratio 1 : 1 and charges 1 : 2 are projec...

    Text Solution

    |

  6. Two children Ramesh (on path ARB) and Sohan (on path ASB), travel down...

    Text Solution

    |

  7. A boat crosses a river with a velocity of 8(km)/(h). If the resulting ...

    Text Solution

    |

  8. A 24 kg block resting on a floor has a rope tied to its top. The maxim...

    Text Solution

    |

  9. The coefficient of static friction, mu(s) between block A mass 2kg and...

    Text Solution

    |

  10. .(92)^(238)U has 92 protons and 238 nucleons. It decays by emitting an...

    Text Solution

    |

  11. The half-life of a radioactive substance is 20 min. The approximate t...

    Text Solution

    |

  12. A metre stick swinging in vertical plane about a fixed horizontal axis...

    Text Solution

    |

  13. The displacement of a particle performing simple harmonic motion is gi...

    Text Solution

    |

  14. if lamda(v'),lamda(x) and lamda(m) represent the wavelengths of visibl...

    Text Solution

    |

  15. A photoelectric cell is illuminated by a point source of light 1 m awa...

    Text Solution

    |

  16. The lower end of a glass capillary tube is dipped in water. Water rise...

    Text Solution

    |

  17. The radii of two soap bubbles are r(i) and r(2). In isothermal conditi...

    Text Solution

    |

  18. The maximum value of refractive index of a prism which permits the tra...

    Text Solution

    |

  19. A light ray is incident on a planemirror at an angle of 30^(@) with ho...

    Text Solution

    |

  20. A rod PQ of mass M and length L is hinged at end P. The rod is kept ho...

    Text Solution

    |