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Four molecules of a gas have velocity 2k...

Four molecules of a gas have velocity 2km/s, 4km/s, 6 km/s and 8km/sec. respectively. The ratio of their root mean square velocity and average speed is

A

0.913

B

1.059

C

0.931

D

1.095

Text Solution

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The correct Answer is:
A
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MBD PUBLICATION-KINETICS THEORY OF GASES-QUESTION BANK
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  2. Root mean square velocity of gas molecules is independent of

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  3. Four molecules of a gas have velocity 2km/s, 4km/s, 6 km/s and 8km/sec...

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  4. The velocities of three molecules are 2m/s, 3m/s and 4m/s respectively...

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  5. If the velocities of 3 molecules are 2m/s, 3m/s and 7m/s respectively ...

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  6. The r.m.s. velocity of molecules 2m/s, 4m/s and 6m/s sec is

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  7. Three gas molecules have velocities respectively equal

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  8. Three molecules have velocities 0.5 km/s, 1 km/s and 2 km/s. The ratio...

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  9. The temperature of an ideal gas enclosed in a chamber is raised from 3...

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  10. A gas at NTP is slowly compressed to one-fourth of its original volume...

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  11. The pressure of 4 gm of hydrogen occupying 10 litre of volume at 10^@C...

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  12. At what temperature will the r.m.s. velocity of gas be three times its...

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  13. The root mean square (r.m.s.) velocity of hydrogen molecules at 300 K...

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  14. The r.m.s. velocity of helium at temperature 0^@C is (density of heliu...

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  15. At what temperature will the r.m.s. velocity of gas be double its valu...

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  16. The root mean square velocity of the molecules of a gas is 1260 m/s. T...

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  17. If the density of hydrogen gas at N.T.P. is 0.0000893 gm/cm^3, then th...

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  18. The r.m.s. velocity of gas at 127^@C is 200m/sec, its r.m.s. velocity ...

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  19. The r.m.s. velocity of molecules each of mass1.4xx10^(-19) kg at 27@C...

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  20. The r.m.s. velocity of oxygen molecules at 27^@C is nearly

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