1.

At what temperature, hydrogen molecules will escape from the earth's surface? (Take mass of hydrogen molecule =0.34 xx 10^(-6) kg, Boltzman 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`
`10K`
`10^(4)K`

Answer :D


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