Gaseous StateHard
Question
Three footballs are respectively filled with nitrogen, hydrogen and helium. If the leaking of the gas occurs with time from the filling hole, then the ratio of the rate of leaking of gases (rN2 : rH2 : rHe) from three footballs (in equal time interval) is
Options
A.(1 : 
: √7)
: √7)B.( : √7 : 1)
: √7 : 1)C.(√7 : 1 :)
)D.(1 : √7 :)
)
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