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The value of the Bulk Modulus of elasticity for an incompressible fluid is

(a) zero

(b) unity

(c) infinity

(d) very low

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I'd like to ask this question from Compressibility and Bulk Modulus in section Properties of Fluids of Fluid Mechanics

1 Answer

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Correct option is (c) infinity

To explain: k = 1/β, where k= Bulk Modulus of elasticity and β= compressibility. For an incompressible fluid, β=0, thus the value of k will tend to infinity.

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