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Three liquids of densities rho_(1) , rho_(2) and rho_(3) ( with rho_(1) gt rho_(2) gt rho_(3) ), having the same value of surface tension T, rise to the same height in three identical capillaries. The angles of contact theta_(1) , theta_(2) and theta_(3) obey |
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Answer» `(PI)/(2) gt theta_(1)gt theta_(2) gt theta_(3) ge 0` |
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