Home
Class 11
PHYSICS
Air coming out form a burst bicycle or m...

Air coming out form a burst bicycle or motorcar tube appears to be cold. Why?

Text Solution

Verified by Experts

This happens due to adiabatic expansion of the air in the tube of the bicycle.
Promotional Banner

Topper's Solved these Questions

  • OSCILLATION AND WAVES

    PATHFINDER|Exercise QUESTION BANK|300 Videos

  • ROTATIONAL MECHANICS

    PATHFINDER|Exercise QUESTION BANK|141 Videos

Similar Questions

Explore conceptually related problems

When the tyre of a bicycle or motor car bursts suddenly, cool air comes out from the tube. Explain why.

A bicycle pump becomes hot when air is pumped into the tube. Why?

Lithium on being heated in air mainly forms the monoxide and not the peroxide. Why?

Why does betacyanin pigment come out of beet root when warmed, but carotene from boiled carrot does not ?

Air is being pumped into the tyre of a car at a specific pressure. When the pressure of the tyre become double and the temperature of air is 15^(@)C , the tyre bursts suddenly. Find out the change in temperature.

Explain why-(a) A green layeris formed on the surface of copper which is left exposed in moist air for a long period. (b) blue colour of the copper sulphate solution is discharged slowly when an iron rod is dipped in it. (c) Galvanised irono is not used as a fondstuff container.

When a motor car tyre bursts, the air coming out is cooler than the surrounding air ,explain.

The tyre of a motorcar bursts suddenly when air was being pumped in it. The internal pressure became 3 times the atmospheric pressure during pumping. If the initial temperature of the air inside the tyre is 27^(@)C , what will be the decrease in temperature of air due to the bursting of tyre? for air, gamma = 1.4 .

PATHFINDER-PROPERTIES OF BULK MATTER-QUESTION BANK
  1. If molecular weight of an ideal gas is M, then what is the difference ...

    Text Solution

    |

  2. “Two isothermal curves cannot intersect each other”---- why?

    Text Solution

    |

  3. Air coming out form a burst bicycle or motorcar tube appears to be col...

    Text Solution

    |

  4. Name the thermodynamic process in which ail the three properties of a ...

    Text Solution

    |

  5. Why does a gas have two types of specific heats?

    Text Solution

    |

  6. Why is CP greater than CV?

    Text Solution

    |

  7. How is the ratio CP/CV related with the atomicity of a gas?

    Text Solution

    |

  8. During an adiabatic process, the pressure of a gas is found to be prop...

    Text Solution

    |

  9. Mention the conditions which are to be fulfilled for a process become ...

    Text Solution

    |

  10. Mention the conditions which are to be fulfilled for a process become ...

    Text Solution

    |

  11. Why is cooling takes place during adiabatic expansion?

    Text Solution

    |

  12. A gas is expanded from its initial state (Pressure P1 Volume V1) to it...

    Text Solution

    |

  13. Obtain an expression for work done by a gas in an isothermal expansion...

    Text Solution

    |

  14. A sample of ideal gas (gamma = 1.4) is heated at constant pressure. If...

    Text Solution

    |

  15. A sample of ideal gas (gamma = 1.4) is heated at constant pressure. If...

    Text Solution

    |

  16. A gas is suddenly compressed to 1/4th of its original volume. Calculat...

    Text Solution

    |

  17. 70 cals of heat is required to raise the temperature of 2 moles of an ...

    Text Solution

    |

  18. One mole of an ideal monoatomic gas is heated at constant pressure fro...

    Text Solution

    |

  19. The specific heat capacities of hydrogen at constant volume and at con...

    Text Solution

    |

  20. Dry air at 15^@C and 10 atm is suddenly released at atmospheric pressu...

    Text Solution

    |