NCERT Exercise 9.3 - Mechanical Properties of Fluids
Question: Fill in blanks: (a) Surface tension ... with temperature; (b) Viscosity of gases ... with T, liquids ...; (c) For solids, shearing force proportional to ..., for fluids to ...; (d) Flow speed increase at constriction follows ...; (e) Model plane turbulence at ... speed.
Answer: (a) **decreases**; (b) **increases, decreases**; (c) **shear strain, rate of shear strain**; (d) **conservation of mass**; (e) **greater**.
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