First slide

Elastic Modulie

Question

Which of the following statement{s) is/are correct?
I. Incompressible liquids have finite value of bulk modulus of elasticity.
II. Compressibility is inverse of bulk modulus of elasticity.

Easy

A

Only I
B

Only II
C

Both I and II
D

None of these

Solution

Bulk modulus, $B = \frac{- Δ p}{Δ V / V}$
For incompressible fluids, $Δ$ V = 0
$∴ B = \infty$
Apart from this, it is true to say that compressibility is inverse of bulk modulus of elasticity.

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