Home
Class 11
PHYSICS
The average distance travelled by a mole...

The average distance travelled by a molecule of gas at temperature T between two successive collisions is called its mean free path which can be expressed by (P is pressure of gas, K is Boltzmann cosntant, d diameter of molecule)

A

`(1)/(sqrt(2)pid^(2)p)`

B

`(P)/(sqrt(2)pid^(2)T)`

C

`(KT)/(sqrt(2)pid^(2)P)`

D

`(KP)/(sqrt(2)pid^(2)T)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES

    NARAYNA|Exercise LEVEL-I(C.W)|32 Videos

  • KINETIC THEORY OF GASES

    NARAYNA|Exercise LEVEL-II(C.W)|25 Videos

  • KINETIC THEORY OF GASES

    NARAYNA|Exercise SOLVED EXAMPLE|83 Videos

  • GRAVITATION

    NARAYNA|Exercise EXERCISE -IV|40 Videos

  • LAW OF MOTION

    NARAYNA|Exercise EXERCISE - IV|35 Videos

Similar Questions

Explore conceptually related problems

A molecule of a perrfect gas travels, between two successive collisions along a

The distance travelled by a molecule between two successive collisions is called as

Average K.E. Of translation of a molecule of gas varies with temperature T of gas is

In a dilute gas at pressure P and temperature T, the mean time between successive collisions of a molecule varies with T as :

Average straight distance covered between two successive collision of molecules is called………………….

According to kinetic theory of gases in an ideal gas between two successive collisions a gas molecule travles .

The constant motion and high velocities of gas particles lead to some important practical consquences. One such consquences is that gases mix rapidly when they come in contact. Take the stopper off a bottle of perfume, for instance, and the odour will spread rapidly through the room as perfume molecules mix with the molecules in the air. This mixing of different gases by random molecular motion and with frequent collision is called diffusion. A similar process in which gas molecules escape without collision through a tiny hole into a vacuum is called effusion. Both the processes follow Graham's law which is mathematically put as r prop sqrt(1//d) . The average distance travelled by molecules between successive collisions is called mean free path. Answer the following questions on the basis of the above information: When CO_(2) under high pressure is released from a fire extinguisher, particles of solid CO_(2) are formed, despite the low sublimation temperature (-77^(@)C) at 1 atm because

The constant motion and high velocities of gas particles lead to some important practical consquences. One such consquences is that gases mix rapidly when they come in contact. Take the stopper off a bottle of perfume, for instance, and the odour will spread rapidly through the room as perfume molecules mix with the molecules in the air. This mixing of different gases by random molecular motion and with frequent collision is called diffusion. A similar process in which gas molecules escape without collision through a tiny hole into a vacuum is called effusion. Both the processes follow Graham's law which is mathematically put as r prop sqrt(1//d) . The average distance travelled by molecules between successive collisions is called mean free path. Answer the following questions on the basis of the above information: X mL H_(2) effuses through a hole in a container in 5 s . The time taken for the effusion of the same volume of the gas specified below under identical conditions is

NARAYNA-KINETIC THEORY OF GASES-C.U.Q
  1. On colliding in in a closed container the gas molecules

    Text Solution

    |

  2. At upper atmosphere, an astronaut feels

    Text Solution

    |

  3. The average distance travelled by a molecule of gas at temperature T b...

    Text Solution

    |

  4. Which of the following statements about kinetic theor of gases is wron...

    Text Solution

    |

  5. Consider a gas with density 'rho' and overlinec as the root mean squar...

    Text Solution

    |

  6. At a given temperature if V(rms) is the root mean square velocity of t...

    Text Solution

    |

  7. On any planet, the presence of atmosphere implies (C(rms)= root mean s...

    Text Solution

    |

  8. A gas has volume V and pressure p. The total translational kinetic ene...

    Text Solution

    |

  9. If the pressure in a closed vessel is reduced by drawing out some gas,...

    Text Solution

    |

  10. The temperature of a gas is raised while its volume remains constant, ...

    Text Solution

    |

  11. Which of the following statements are true regarding the kinetic theor...

    Text Solution

    |

  12. Water is used in car radiators as coolant because

    Text Solution

    |

  13. Of the following specific heat is maximum for

    Text Solution

    |

  14. Heat is

    Text Solution

    |

  15. Which of the following parameters does not characterize the thermodyna...

    Text Solution

    |

  16. The thermal motion means

    Text Solution

    |

  17. Heat required to raise the temperature of one gram of water through 1^...

    Text Solution

    |

  18. If specific heat of a substance is infinite, it means

    Text Solution

    |

  19. Isothermal curves for a given mass of gas are shown at two different t...

    Text Solution

    |

  20. Certain amount of heat supplied to an ideal gas under isothermal condi...

    Text Solution

    |