Home
Class 11
PHYSICS
A dust particle present in air is 10^12 ...

A dust particle present in air is `10^12` times heavier than a molecule of air. The rms speed of a dust particle is n times that of a molecule of air. What is the value of n?

Text Solution

Verified by Experts

The correct Answer is:
`10^-6`
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER(Assertion -reason type)|6 Videos

  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER(Multiple correct answer type)|5 Videos

  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise EXERCISE ( Problem set -II)|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

At what temperature will the rms speed of air molecules be double that at NTP?

What is the path taken by air molecules into and through the nose ?

Helium atom is two times heavier than a hydrogen molecule. At 298 K, the average kinetic energy of a Helium atom is

The mass of one molecule of hydrogen gas is 3.2 times 10^-24 g The root mean square speed of the molecules of another gas is 4 times that of hydrogen molecule at the same temperature.Determine the mass of each molecule of that gas.

A particle is moving 3 times faster than the speed of electron. If the ratio of wavelength of a particle and electron is 1.8xx10^(-4) , then particle is

The rms speed of molecule of a gas at -73^@C and 1 standard atmosphere pressure is 100 m.s^-1 . The temperature of the gas is increased to 527^@C and pressure is doubled. The rms speed becomes k times what is the value of k?

A container of volume 1 L contains 2.5 times 10^23 number of nitrogen molecules. The mass of each molecule is 4.65 times 10^23 and the rms speed of the molecule is 5 times 10^4 cm.s^-1 . Determine the pressure and the total kinetic energy of the gas.

A particle is relased from a height 20 m from the ground . After how much time and with what speed the particle hits time and with what speed the particle hits the ground ? [ "Take ": g=10 m* s^(-2)]

A container of 5 L contains 10^26 number of molecules of a gas. IF the mass and rms speed of each molecule are 2.4 times 10^25 g and 3.5 times 10^4 cm.s^-1 respectively, the pressure of the gas will approximately be

CHHAYA PUBLICATION-KINETIC THEORY OF GASES-EXERCISE ( Hot Numerical problems)
  1. Calculate the number of molecules is 1cm^3 of an ideal gas at 27^@C. T...

    Text Solution

    |

  2. The mass of one molecule of hydrogen gas is 3.2 times 10^-24 g The roo...

    Text Solution

    |

  3. A dust particle present in air is 10^12 times heavier than a molecule ...

    Text Solution

    |

  4. Estimate the total number of air molecules (inclusive of O2,N2 and wat...

    Text Solution

    |

  5. Calculate the mean free path for the collision of nitrogen molecules a...

    Text Solution

    |

  6. The average kinetic energy of a hydrogen molecule at 0^@C is 5.64 tim...

    Text Solution

    |

  7. The radius of a completely evacuated bulb is 20 cm. The bulb is filled...

    Text Solution

    |

  8. Determine the number of molecules is 20 cm^3 of a gas at 27^@C and 76 ...

    Text Solution

    |

  9. An insulated box containing a mono-atomic gas of molar mass M moving w...

    Text Solution

    |

  10. Given below are densities of some solids and liquids given rough estim...

    Text Solution

    |

  11. Find out the temperature at which the average translational kinetic en...

    Text Solution

    |

  12. Nuclear fusion occurs among deuterium nuclei when the average kinetic ...

    Text Solution

    |

  13. Calculate the translational kinetic energy and net kinetic energy of a...

    Text Solution

    |

  14. A cylinder of volume 10L contains nitrogen gas at 27^@C, and 50 standa...

    Text Solution

    |

  15. The mean free path of oxygen gas molecules at STP is 9.5 times 10^-6 c...

    Text Solution

    |

  16. A gas is equilibrium has uniform density and pressure throughout its v...

    Text Solution

    |

  17. The velocity of a nitrogen molecule on the earth surface is equal to i...

    Text Solution

    |

  18. Two non-reactive monoatomic ideal gases have their atomic masses in th...

    Text Solution

    |

  19. Two mole of ideal helium gas is in a rubber balloon at 30^@C. The ball...

    Text Solution

    |

  20. A closed container of volume 0.02 m^3 contains a mixture of neon and a...

    Text Solution

    |