Question

If the surface tension of waterair interface is 0.073 n/m, the guage pressure inside a rain drop of 1mm diameter is,

Answer 1

If the surface tension of water air interface is 0.073 N/m, the gauge pressure inside a rain drop of 1 mm diameter will be. a). 0.146 N/m2. b). 73 N/m2. c). 146 N/m2. d). 292 N/m2.

RailTel-RCIL Mechanica