Home
Class 12
PHYSICS
Is it possible to raise a weight by cert...

Is it possible to raise a weight by certain height solely at the expense of thermal energy of the body ?

Promotional Banner

Topper's Solved these Questions

  • THERMAL PROPERTIES OF MATTER (HEAT TRANSFER)

    MBD PUBLICATION|Exercise QUESTION BANK|217 Videos
  • VECTOR ANALYSIS

    MBD PUBLICATION|Exercise QUESTION BANK|250 Videos

Similar Questions

Explore conceptually related problems

A body weighs one Newton at the surface of the earth. What will be it’s weight at a height equal to half the radius of the earth ?

The rate of a certain biochemical reaction catalyesd by an enzyme in human body is 10^4 times faster than when it carried out in the laboratory. The activation energy of this reaction :

A drop of mercury of radius 0.2 cm falls from certain heights and divides into 27 droplets of same size . If surface tension of liquid is 490dyne/cm. Find amount of energy utilised.

A body slides from rest by its own weight on the surface for a frictionless incline through a vertical height 'h'. Calculate its velocity.

A body ascends a slope with a speed of 10 m/s . If 10% of energy of the body is lost due to friction, the height to which the body will rise (g=10m//s^2 )

MBD PUBLICATION-THERMODYNAMICS-QUESTION BANK
  1. In order to increase the efficiency of a carnot engine most effectivel...

    Text Solution

    |

  2. When a gas expands adiabatically it does work on it’s sorroundings alt...

    Text Solution

    |

  3. Is it possible to raise a weight by certain height solely at the expen...

    Text Solution

    |

  4. Why carnot engine is called an ideal and reversible heat engine ?

    Text Solution

    |

  5. Give reasons for the statement “ absolute zero temperature is conceiva...

    Text Solution

    |

  6. Why both a source and sink are necessary for converting heat into work...

    Text Solution

    |

  7. Do diatomic gases have same specific heats as monoatomic gases ?

    Text Solution

    |

  8. Does the value of y depends upon atomicity of the gas ?

    Text Solution

    |

  9. Give three examples of heat engine.

    Text Solution

    |

  10. What forbids complete conversion of heat into work?

    Text Solution

    |

  11. Distinguish between reversible and irrversible processes.

    Text Solution

    |

  12. Distinguish between adiabatic and isothermal processes.

    Text Solution

    |

  13. What do you mean by a cyclic process ? How it is represented in a pV d...

    Text Solution

    |

  14. What factors reduce the efficiency of a heat engine from it’s ideal va...

    Text Solution

    |

  15. Explain CP and CV. Which is greater and Why ?

    Text Solution

    |

  16. What is J? How it is related to work and heat ? What is it’s amount an...

    Text Solution

    |

  17. If an inflated tyer bursts, the air escaping out is cooled, why ?

    Text Solution

    |

  18. What is ‘isobaric change’ ? Draw the PV diagram.

    Text Solution

    |

  19. Two identical samples of gas are allowed to expand to double it’s volu...

    Text Solution

    |

  20. Can any two isothermals cut, each other ?

    Text Solution

    |