Home
Class 11
PHYSICS
A theoms flask contains coffee. It is vi...

A theoms flask contains coffee. It is vigorously sheken, considering the coffee as the system. (a) Does its temperature rise ? (b) Has heat been added to it ? (c ) Has work been done on it ?

Text Solution

Verified by Experts

a. Yes, the temperature of the coffee increases.
b. No, heat has not been added to the coffee as it is thermally insulated.
c. Yes, wor is done on it by the man who shakes the flask.
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES AND FIRST LAW OF THERMODYNAMICS

    CENGAGE PHYSICS|Exercise Subjective|22 Videos

  • KINETIC THEORY OF GASES AND FIRST LAW OF THERMODYNAMICS

    CENGAGE PHYSICS|Exercise Single Correct|140 Videos

  • KINETIC THEORY OF GASES AND FIRST LAW OF THERMODYNAMICS

    CENGAGE PHYSICS|Exercise Exercise 2.1|20 Videos

  • KINETIC THEORY OF GASES

    CENGAGE PHYSICS|Exercise Compression|2 Videos

  • LINEAR AND ANGULAR SIMPLE HARMONIC MOTION

    CENGAGE PHYSICS|Exercise Multiple Correct Answer Type|9 Videos

Similar Questions

Explore conceptually related problems

A thermos bottle containing coffee is vigorously shaken. If the coffee is considered as a system, then the temperature of the coffee will

A thermos flask contains coffee. It is shaken vigorously. (i) Has any heat been added to it. (ii) Has any work been done on it. (iii) Does it internal energy change? (iv) Does its temp. rise?

When a thermos flask with some water in it is vigorously shaken. Does its temperature rise. Has some heat added to water during the process.

What kind of system does a thermos flask containing coffee represents?

State whether each of the following processes will increase or decrease total energy content of the system: (a) Heat transferred to the surroundings (b) Work done by the system (c) Work done on the system

The temperature of an object is observed to rise in a period. In this period (i) Heat is certainly supplied to it (ii) Heat is certainly not supplied to it (iii) heat may have been supplied to it (iv) work may have been done on it.

If the pressure of the gas contained in a closed vessel is increased by 20% when heated by 273^@C then it's initial temperature must have been

A flask is filled with 13 g of an ideal gas at 27^(@)C and its temperature is raised to 52^(@)C . The mass of the gas that has to be released to maintain the temperature of the gas in the flask at 52^(@)C , the pressure remaining the same is

10 mol of a gas is heated at constant pressure to raise its temperature by 1^(@) C. The work done in joules is

One mole of a gas is heated at constant pressure to raise its temperature by 1^(@)C . The work done in joules is

CENGAGE PHYSICS-KINETIC THEORY OF GASES AND FIRST LAW OF THERMODYNAMICS-Exercise 2.2
  1. A gas consisting of rigid diatomic molecules (degrees of freedom r = 5...

    Text Solution

    |

  2. Can one distinguish between the internal energy of a body acquired by ...

    Text Solution

    |

  3. A theoms flask contains coffee. It is vigorously sheken, considering t...

    Text Solution

    |

  4. Does a gas do any work when it expands adiabatically ? If so, what is ...

    Text Solution

    |

  5. A block returns to its initial position after dissipating mechanical e...

    Text Solution

    |

  6. Explain why the temperature of a gas drops in an adiabatic expansion,...

    Text Solution

    |

  7. In what process is the heat added entirely converted into internal ene...

    Text Solution

    |

  8. When a gas is compressed adiabaticlly, it becomes more elasitc. Is thi...

    Text Solution

    |

  9. A cylinder contains 3 moles of oxygen at a temperature of 27^(@)C. The...

    Text Solution

    |

  10. What amount of heat is to be transferred to nitrogen in an isobaric he...

    Text Solution

    |

  11. As a result of the isobaric heating by DeltaT=72K, one mole of a certa...

    Text Solution

    |

  12. A certain mass of a gas is compressed first adiabatically, and then is...

    Text Solution

    |

  13. A cylindrical vessel of 28 cm diameter contains 20 g of nitrogen compr...

    Text Solution

    |

  14. One mole of oxygen is heated at constant pressure starting at 0^(@)C. ...

    Text Solution

    |

  15. An ideal gas expands from an initial temperature T(1) to a final tempe...

    Text Solution

    |

  16. An ideal gas whose adiabatic exponent equals gamma expands so that the...

    Text Solution

    |

  17. On mole of argon expands polytropically, the polytropic constant being...

    Text Solution

    |

  18. Find out the work done in the given graph. Also draw the corresponding...

    Text Solution

    |

  19. Two moles of a diatomic gas at 300 K are kept in a nonconducting conta...

    Text Solution

    |

  20. A sample of an ideal gas is taken through the cyclic process abca . It...

    Text Solution

    |