Home
Class 11
PHYSICS
A ballon filled with hydrogen rises upwa...

A ballon filled with hydrogen rises upward gaining both kinetic and potential energy.Does it imply violation of conservation of energy?

Promotional Banner

Topper's Solved these Questions

  • WORK,ENERGY AND POWER

    BINA LIBRARY|Exercise EXERCISE|83 Videos

  • WAVES

    BINA LIBRARY|Exercise EXERCISE|97 Videos

Similar Questions

Explore conceptually related problems

The potential energy of.a freely falling object decreases progressively. Does this violate the law of conservation of energy? Why?

When an air bubble rise in water, what happens to its potential energy?

The ground state energy of hydrogen atom is −13.6 eV. What are the kinetic and potential energies of the electron in this state?

Does the law of conservation of energy hold good during interference?

Work done by a body against friction always results in a loss of its kinetic/ potential energy.

Calculate the ratio of kinetic energy and potential energy at the equilibrium in SHM.(time=T/12)

Define activation energy. How does it vary with rise in temperature?

When a charged particle moves in a magnetci field does the kinetic energy always remains constant?

BINA LIBRARY-WORK,ENERGY AND POWER-EXERCISE
  1. What is the power needed to maintain uniform circuler motion?

    Text Solution

    |

  2. Can a body have energy without having momentum?

    Text Solution

    |

  3. A ballon filled with hydrogen rises upward gaining both kinetic and po...

    Text Solution

    |

  4. A man of mass 60 kg walks up to the top of a building of height 15 m....

    Text Solution

    |

  5. A man cycles up a hill whoes slope is 1 m in 25 at the rate of 10 km/h...

    Text Solution

    |

  6. A bullet of mass 12 g strikes a soild surface at a speed of 400m/s. It...

    Text Solution

    |

  7. A body of mass 1kg falls from the top of a cliff 50 m high and buries...

    Text Solution

    |

  8. A force of 1000 dynes acts on a particle of mass 500 g for 10seconds....

    Text Solution

    |

  9. Calculate the power of a motor in kilo-watt ,which is capable of risin...

    Text Solution

    |

  10. A pump lifts 20 kg of water in one minute to a vertical height of 30m....

    Text Solution

    |

  11. Two bodies having masses 1g and 4g are moving with equal K.E find the ...

    Text Solution

    |

  12. A 200 g ball falls from rest through air. If its speed is 10 m/s after...

    Text Solution

    |

  13. A bullet of mass 100 g strikes a wooden plank with a velocity of 300ms...

    Text Solution

    |

  14. A force of 100 dynes acts on a particle of mass 0.5 kg for 10 sec. Cal...

    Text Solution

    |

  15. An engine lifts 200kg of metal to a vertical height of 30 m in one min...

    Text Solution

    |

  16. A car of weight 1000 kg moves with a uniform speed of 36Km/hr up an ...

    Text Solution

    |

  17. An engine of weight one metric ton is going up an inclined plane ,mak...

    Text Solution

    |

  18. A ball of mass 1.2 kg moving with velocity 20cm/s collides with anoth...

    Text Solution

    |

  19. A block of mass 2kg moving with certain velocity collides with a block...

    Text Solution

    |

  20. A block of mass 2 kg moving at 2.0m/s collides with another block of e...

    Text Solution

    |