1.

At what temperature, hydrogen molecules will escape from the earth's surface ? (Take mass of hydrogen molecule = 0.34 xx 10^(-6) kg, Boltzmann constant = 1.38 xx 10^(-23) KJ^(-1), Radius of earth = 6.4 xx 10^(6)m and acceleration due to gravity = 9.8 ms^(-2))

Answer»

10K
`10^(2)K`
10 K
`10^(4)K`

Answer :C


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