For an incompressible fluid, the bulk modulus of elasticity is____________________?
Correct answer: B. ∞ N/m2
- A. 5 kg/m3
- B. ∞ N/m2
- C. 1 N
- D. 0 N/m
Explanation
Bulk modulus measures resistance to volume compression, K = -V(dp/dV). An incompressible fluid has zero volume change for any finite pressure change, so its bulk modulus is infinite.
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