Mechanical Properties of Fluids

Question: A spherical drop of water has radius 1 mm If surface tension of water is $70\times {{10}^{-3}}$N/m difference of pressures between inside and out side of the spherical drop is



1) $35\,N/{{m}^{-2}}$
2) $70\,N/{{m}^{2}}$
3) $140\,\,N/{{m}^{2}}$
4) Zero
Solution: Explanation: No Explanation
Surface Tension Excess Pressure

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