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At what temperature the K.E. of gas mole...

At what temperature the K.E. of gas molecules is half of that of its value at `27 ^@C`?

A

`135 ^@C`

B

`150 ^@C`

C

150 K

D

300 K

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CHETANA PUBLICATION-Kinetic Theory of Gases and Radiation-Exercise
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  2. If the masses of all the molecules of a gas are doubled and their spee...

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

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

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

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

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

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  8. For an ideal gas

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

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

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

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  13. A sphere, a cube and a thin circular plate all made of the same materi...

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  14. If a black body is heated from 27 ^@C to 927 ^@C, then the ratio of th...

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  15. The ratio of the wavelength of emission corresponding to the maximum e...

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  16. If the temperature of a black body is doubled, the frequency at which ...

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  17. The phenomenon of black body radiation was explained satisfactorily by

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  18. The maximum wavelength of radiation emitted at 1500K is 5mum. The maxi...

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  19. The maximum wavelength of radiation emitted by a black body at 1227 ^@...

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