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The root mean square speed of gas molecu...

The root mean square speed of gas molecules

A

is same for all gases at the same temperature

B

depends on the mass of the gas molecule and its temperature

C

is independent of the density and pressure of the gas

D

depends only on the temperature and volume of the gas

Text Solution

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The correct Answer is:
B
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Explore conceptually related problems

The atmosphere on a planet is possible only if [ where v_(rms) is root mean square speed of gas molecules on planet and v_(e) is escape speed on its surface ]

The root mean square speed of the molecules of an enclosed gas is 'v'. What will be the root mean square speed if the pressure is doubled, the temperature remaining the same?

The root mean square speed of the molecules of a diatomic gas is v. When the temperature is doubled, the molecules dissociates into two atoms. The new root mean square speed of the atom is

A closed vessel of fixed volume contains a mass m of an ideal gas, the root mean square speed being v. Additional mass m of the same gas is pumped into the vessel and the pressure rises to 2P, the temperature remaining the same as before. The root mean square speed of the molecules now is :

The ratio of average speed to root mean square speed of the gas molecules is ……………..whereas that between most probable speed to root mean square speed is ……………….

Four molecules of ags have speeds 1,2,3 and 4 km//s .The volue of the root mean square speed of the gas molecules is

Knowledge Check

  • The atmosphere on a planet is possible only if [ where v_(rms) is root mean square speed of gas molecules on planet and v_(e) is escape speed on its surface ]

    A
    `v_(rms) = v_(e)`
    B
    `v_(rms) gt v_(e)`
    C
    `v_(rms) le v_(e)`
    D
    `v_(rms) lt v_(e)`

  • The root mean square speed of the molecules of a gas is

    A
    independent of its pressure but directly proportional to its Kelvin temperature
    B
    directly proportional to two square root of both its pressure and its Kelvin temperature
    C
    indepdent of its pressure but directly proportional to the square root of its Kelvin temperature.
    D
    directly proportional to its pressure and its Kelvin temperature.

  • The root mean square speed of the molecules of an enclosed gas is 'v'. What will be the root mean square speed if the pressure is doubled, the temperature remaining the same?

    A
    v/2
    B
    v
    C
    2v
    D
    4v
    • NARAYNA-KINETIC THEORY OF GASES-C.U.Q
    1. The root mean square speed of gas molecules

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    2. The average kinetic energy of a molecule of a gas at absolute temperat...

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    3. The mean square speed of the molecules of a gas at absolute temperatur...

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    4. The following four gases are at the same temperature. In which gas do ...

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    5. The mean transitional kinetic energy of a perfect gas molecule at abso...

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    6. E(0) and E(n) respectively represent the average kinetic energy of a ...

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    7. Choose the correct statement from the following:

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    8. The root mean square speed of the molecules of an enclosed gas is 'v'....

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    9. Choose the only correct statement from the following:

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    10. A vessel contains a mixture of one mole of oxygen and two moles of nit...

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    11. Which of the following pehnomena gives evidence of the molecule motion...

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    12. Choose the correct statement . When the temperature of a gas is increa...

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    13. The number of molecules per unit volume (n) of a gas is given by

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    14. The number of molecules of N(2) and O(2) in a vessel are same. If a fi...

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    15. The mean kinetic energy per unit volume of gas (E) is related to avera...

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    16. Two vessels have equal volums. One of them contains hydrogen at one at...

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    17. At a given volume and temperature the pressure of a gas

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    18. If the Avogadro's number was to tend to infinity the phenomenon of Bro...

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    19. The root mean square speed of a group of gas moecules, having speeds v...

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    20. v(rms), v(av) and v(mp) are root mean square average and most probable...

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