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Three footballs are respectively filled with nitrogen, hydrogen and helium. In what order are these footballs to be reinflated ? |
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Answer» Solution :Since `R PROP (1)/(SQRT(M))` `r_(H_(2)) gt r_(He) gt r_(N_(2)` as`M_(N_(2)) gt M_(He) gt M_(H_(2))` Thus the footballs are to be INFLATED in the following order : (i) `H_(2)` - filled ball (ii) He -filled ball (iii) `N_(2)` - filled ball. |
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