Home
Class 11
PHYSICS
IF the absolute temperature of a perfect...

IF the absolute temperature of a perfect gas rises to four times its initial value estimate the changes of molecular rms speed.

Text Solution

Verified by Experts

Molecular rms speed `c prop sqrt T`
`T_2=4T_1`
So, `c_1/c_2=sqrt(T_1/T_2)`
or, `c_2=c_1sqrt(T_2/T_1)=c_1sqrt((4T_1)/T_1)=2c_1`
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise EXERCISE (Multiple Choice Questions)|24 Videos

  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise EXERCISE (Very Short Answer Type Questions)|37 Videos

  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise CBSE Scanner|9 Videos

  • HYDROSTATICS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|1 Videos

  • MEASUREMENT AND DIMENSION OF PHYSICAL QUANTITY

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|18 Videos

Similar Questions

Explore conceptually related problems

IF the absolute temperature of a perfect gas rises to four times its initial value estimate the changes of total kinetic energy.

The absolute temperature of a gas is increased to four times . What will be the change in its root mean square speed.

Find out the ratio between the absolute temperature of two samples of hydrogen and oxygen gases, if their molecules rms speed are equal.

The temperature of a gas rises from 27^@C to 327^@C . Show that the rms speed of the gas molecules would be sqrt2 times its initial value at the final temperature.

The absolute temperature of a gas is increased to 3 times. What will be the increase in root mean square velocity of the gas molecule.

The volume of a given mass of a gas becomes 4 times its intial value at constant pressure if the temperature changes to.

When an air bubble rises from the bottom of a sea its volume increases to 4 times its initial value. IF the atmospheric pressure is 76 cmHg and the temperatures at the bottom and the surface of the sea are the same. Then what will be the depth of the sea? Density of mercury= 13.6 g.cm^-3 .

A certain gas takes three times as long to effuse out as helium. Its molecular mass will be

CHHAYA PUBLICATION-KINETIC THEORY OF GASES-HIGHER ORDER THINKING SKILLS (HOTS) QUESTIONS
  1. State the condition in which a real gas behaves as an ideal gas.

    Text Solution

    |

  2. For a fixed mass of a gas at constant temperature the pressure falls w...

    Text Solution

    |

  3. For a fixed mass of a gas at constant volume, pressure rises when temp...

    Text Solution

    |

  4. Find out the molecular kinetic energy of 1 mol of an ideal gas . Is it...

    Text Solution

    |

  5. In a closed container ,the gas molecules have a highly random motion. ...

    Text Solution

    |

  6. Why does a place of wood floating on water have no Brownian motion?

    Text Solution

    |

  7. Light gases like hydrogen and helium are very rare in the earth's atmo...

    Text Solution

    |

  8. IF n is the number of degrees of freedom of the molecules of an ideal ...

    Text Solution

    |

  9. 1 mol of an ideal monatomic gas (gamma=5/3) is mixed with 1 mol of an ...

    Text Solution

    |

  10. The ratio between the specific heats of an ideal gas is gamma. Show th...

    Text Solution

    |

  11. IF the absolute temperature of a perfect gas rises to four times its i...

    Text Solution

    |

  12. IF the absolute temperature of a perfect gas rises to four times its i...

    Text Solution

    |

  13. Some gas cylinders are kept on the running vehicle . What will be the ...

    Text Solution

    |

  14. Find the dimension of the constant a in the van der Waals equation (p+...

    Text Solution

    |

  15. Find the dimension of the constant b in the van der Waals equation (p+...

    Text Solution

    |

  16. We have a sample of a gas characterised by p,V,T and another sample by...

    Text Solution

    |

  17. Find out the ratio between the absolute temperature of two samples of ...

    Text Solution

    |

  18. At equilibrium the volume pressure and temperature of a gas are V,p an...

    Text Solution

    |

  19. In a gas -filled container, a molecule of speed 200 m//s collides at a...

    Text Solution

    |

  20. While considering the motion of gas molecules in a container,why do we...

    Text Solution

    |