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The root mean square speed of hydrogen m...

The root mean square speed of hydrogen molecules at 300 K is `1930 m//s`. Then the root mean square speed of oxygen molecules having the same mass at 900 K will be

A

`643m/s`

B

`836m/s`

C

`1930/sqrt3`

D

`1930sqrt3`

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CHETANA PUBLICATION-Kinetic Theory of Gases and Radiation-Exercise
  1. The temperature of an ideal gas is increased from 27 ^@C to 927 ^@C. T...

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  2. The velocities of 4 molecules are 2 m//s, 4 m//s, 5 m//s and 6 m//s re...

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  3. The root mean square speed of hydrogen molecules at 300 K is 1930 m//s...

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  4. A vessel contains one mole of oxygen and one mole of hydrogen at N.T.P...

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  5. The number of molecules in a gram molecule of a gas is called

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  6. The temperature of an ideal gas is increased from 27 ^@C to 327 ^@C. I...

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  7. The speed of four gas molecules are 1 km//s, 3 km//s, 5km//s and 7 km/...

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  8. What is the density of a gas at N.T.P. if the rms velocity of the gas ...

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  9. The r.m.s. speed of the molecules of an enclosed gas is x. What will b...

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  10. If the masses of all the molecules of a gas are doubled and their spee...

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  11. At what temperature the K.E. of gas molecules is half of that of its v...

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  12. At what temperature will the average K.E. of the hydrogen molecules be...

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  13. What is the value of gamma=Cp/Cv , if the gas has f degrees of freedom...

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  14. Which one of the following molecules does not possess vibrational ener...

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  15. What is the mean energy per molecule for a polyatomic gas with n degre...

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  17. When a black body is heated, it emits heat radiations of

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  18. A black body at a temperature of 227 ^@C radiates heat at a rate of 5 ...

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  19. If the temperature of the sun is doubled, the rate of energy received ...

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  20. The dimensional formula for Stefan's constant is

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