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Properties of Matter — Physics STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11PhysicsProperties of Matter2 Marks
Question
Define compressibility?
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Answer

The reciprocal of the bulk modulus is called compressibility. It is defined as the fractional change in volume per unit increase in pressure. $C =\frac{1}{ K }=\frac{-\varepsilon_{ v }}{\sigma_n}=\frac{-\frac{\Delta V }{ V }}{\Delta P }$

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