Home
Class 11
PHYSICS
Can a given amount of mechanical energy ...

Can a given amount of mechanical energy be completely converted into heat ?

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

Can 10J of mechanical energy be converted to 10J of heat? Justify.

Mechanical energy is converted to thermal energy in

Water fall from a height 50m, If one third of its mechanical energy converted into heat what will be the rise in temperature of water

Can whole of work be converted into heat?

In a motor the electrical power input is 500 W and the mechanical power output is 0.54 horse power. Heat developed in the motor in 1 h is (assuming that all the electric energy which is not converted to mechanical energy is converted to heat) is

In which of the following mechanical energy is converted to heat energy

Calculate the amount of heat energy to be supplied to convert 2 kg of ice at 0^@C completely into water at 0^@C if latent heat of fusion for ice is 80 cal/g.

SL ARORA-Thermal Properties of Matter-Exercise
  1. There is a slight temperature difference between the water fall at the...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. The coolant in the nuclear reactor is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  13. Why do the metal utensils have wooden handles?

    Text Solution

    |

  14. The bird that hibernates in winter is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. We can easily boil water in a paper cup. Why?

    Text Solution

    |

  19. A piece of paper wrapped tightly on a wooden rod is found to get charg...

    Text Solution

    |

  20. Woolen cloths are worn in winter but not in summer. Why?

    Text Solution

    |