Home
Class 11
PHYSICS
When we rub our hands, they are warmed b...

When we rub our hands, they are warmed but only to a certain maximum temperature. Why ?

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • Thermal Properties of Matter

    SL ARORA|Exercise Exercise|449 Videos
  • System of particles & rotational Motion

    SL ARORA|Exercise EXERCISE|353 Videos
  • THERMODYNAMICS

    SL ARORA|Exercise Exercise|342 Videos

Similar Questions

Explore conceptually related problems

We move our hands while walking for

When we rub our hands they become warm. Have we supplied heat to the hands?

Why gas filled balloons rise up, only to a certain height ?

In winter, if we touch steel chair , we feel cold but so when touched wooden chair , though both are at the same temperature. Why?

SL ARORA-Thermal Properties of Matter-Exercise
  1. Is J a physical quantity ?

    Text Solution

    |

  2. Why is J called a conversion factor?

    Text Solution

    |

  3. When we rub our hands, they are warmed but only to a certain maximum t...

    Text Solution

    |

  4. There is a slight temperature difference between the water fall at the...

    Text Solution

    |

  5. Why do the brake drums of a car get heated, when the car moves down a ...

    Text Solution

    |

  6. Can a given amount of mechanical energy be completely converted into h...

    Text Solution

    |

  7. A match stick can be lighted by rubbing it against a rough surface. Wh...

    Text Solution

    |

  8. If an electric fan be switched on in a closed room, will the air of th...

    Text Solution

    |

  9. Give an example of a process in which no heat is transferred to or fro...

    Text Solution

    |

  10. What is the difference between the specific heat and the molar specifi...

    Text Solution

    |

  11. Why water is preferred to any other liquid in the hot water bottles?

    Text Solution

    |

  12. The coolant in the nuclear reactor is

    Text Solution

    |

  13. Why juice bottles are placed under water in the cold countries ?

    Text Solution

    |

  14. Why is water used as an effective coolant in automobile radiators ?

    Text Solution

    |

  15. What kind of thermal condcutivity , specifie heat and coefficient of e...

    Text Solution

    |

  16. Why do the metal utensils have wooden handles?

    Text Solution

    |

  17. The bird that hibernates in winter is

    Text Solution

    |

  18. Why are two thin blankets are warmer than a single blanket of double t...

    Text Solution

    |

  19. Why are calorimeter made of metal, why not of glass?

    Text Solution

    |

  20. When we step barefoot into an office with a marble floor, we feel cold...

    Text Solution

    |