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Thermal Properties of Matter — Physics STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 SciencePhysicsThermal Properties of Matter1 Mark
Question
How does density of a solid change as it is heated?
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Answer

Density of a solid decreases as it is heated i.e., as its temperature rises) as per following.
$\rho'=\rho(1-\gamma\Delta\text{T}),$ where $\rho=$ density of given solid at temperature T and $\rho'=$ density given solid at temperature $(\text{T}+\Delta\text{T}).$

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