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At what temperature the mean kinetic ene...

At what temperature the mean kinetic energy of hydrogen molecules increases to energy of hydrogen molecules increaes to such that they will escape out of the gravitational field of earth for ever?
(take `v_(e)=11.2km/sec`)

A

12075K

B

10000K

C

20000K

D

10075K

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Knowledge Check

  • At the same temperature, the mean kinetic energies of the molecules of hydrogen and oxygen are in the ratio

    A
    `1 : 16`
    B
    `8 : 1`
    C
    `16 : 1`
    D
    `1 : 1`

  • At what temperature will the mean kinetic energy of O_2 be the same for H_2 molecules at -73 °C ?

    A
    `127^(@)C`
    B
    `527^(@)C`
    C
    `-73^(@)C`
    D
    `-173^(@)C`

  • What happens to the kinetic energy of gas molecules with rise of temperature ?

    A
    Remains same
    B
    Fluctuates
    C
    Increases
    D
    Decreases

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    A satellite is revolving round the earth. Its kinetic energy is E_k . How much energy is required by the satellite such that it escapes out of the gravitational field of earth

    At what temperature will hydrogen molecules have the same kinetic energy an nitrogen molecules have at 35^(@)C ?

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