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Fill in the blanks i. Surface tension of a liquid generally______with temperature. ii. Viscosity of gases_______the temperature, where is viscosity of liquid _____ with temperature. iii. For solids with elastic modulus of rigidity, the shearing force is proportional to the ______ while for fl


golukushwaha123411 1st Apr, 2022
Answer (1)
pri111nah 1st Apr, 2022

Hi,

(a) The surface tension of liquids generally decreases with temperatures.

(b) The viscosity of gases increases with temperature, whereas the viscosity of liquids decreases with temperature.

(c) For solids with elastic modulus of rigidity, the shearing force is proportional to shear strain , while for fluids it is proportional to the rate of shear strain .

(d) For a fluid in a steady flow, the increase in flow speed at a constriction follows from conservation of mass while the decrease of pressure there follows from Bernoulli’s principle .

(e) For the model of a plane in a wind tunnel, turbulence occurs at a greater speed for turbulence for an actual plane.


Hope this helps.

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