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The root mean square velocity of the mol...

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

A

1029 m/s

B

1161 m/s

C

1671 m/s

D

917 m/s

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The correct Answer is:
A
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MBD PUBLICATION-KINETICS THEORY OF GASES-QUESTION BANK
  1. The r.m.s. velocity of helium at temperature 0^@C is (density of heliu...

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

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

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

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

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

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

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  8. If the pressure of a gas is doubled keeping its volume and mass consta...

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  9. Two gases have densities in the ratio 2:3 and their pressures are in t...

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  10. R.m.s. velocity of helium molecules at N.T.P. is 1300 m/s. Atmospheric...

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  11. The absolute temperature of a gas is increased three times. The root m...

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  12. The temperature at which r.m.s. velocity of oxygen molecules is equal ...

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  13. The thermal capacity of 40 gm of aluminium (specific heat = 0.2 cal/gm...

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  14. The ratio of the root mean square velocity of H2 and O2 maintained at ...

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  15. The temperature at mean which kinetic energy of a molecule of an ideal...

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  16. At what temperature will the average K.E. per molecule of a gas be exa...

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  17. At what temperature will the average K.E. of a gas molecule be twice i...

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  18. The K.E. per m^3 of hydrogen at N.T.P. is

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  19. The K.E. per unit mass of hydrogen at N.T.P. is

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  20. If the temperature of a perfect gas is raised from 27^@C to 327^@C, th...

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