Explain linear and areal expansion.
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Explanation:
changes in length compared to original length (∆ℓ/ℓ0) called linear expansion. changes in area compared to original area (∆A/A0) called areal expansion or superficial expansion. changes in volume compared to original volume (∆V/V0) called volumetric expansion or cubical expansion.
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Answer:
changes in length compared to original length (∆ℓ/ℓ0) called linear expansion. changes in area compared to original area (∆A/A0) called areal expansion or superficial expansion. changes in volume compared to original volume (∆V/V0) called volumetric expansion or cubical expansion
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