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The ratio of the vapour densities of two...

The ratio of the vapour densities of two gases at the same temperature is `8:9`. The ratio of the rms velocities of their molecules is

A

`8:9`

B

`9:8`

C

`sqrt9`:`sqrt8`

D

`sqrt8:sqrt9`

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-KINETIC THEORY OF GASES AND RADIATION -critical thinking
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  9. A jar has a mixture of hydrogen and oxygen gas in the ratio of 1 : 5. ...

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  11. The average K.E. of hydrogen molecules at 27 °C is E. The average K.E....

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  12. The kinetic energy of translation per unit volume of the molecules of ...

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  13. The temperature at which the kinetic energy of a gas molecule is doubl...

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  14. The molecular weights of hydrogen and helium are respectively 2 and 4....

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  15. When the temperatw-e of a gas is raised from 30 °C to 90 °C, the perce...

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  16. A container has a mixture of two gases, hydrogen and oxygen at room te...

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  17. At what temperature the molecule of nitrogen will have same rms veloci...

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