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Unit - 6.1 Heat Transfer — PHYSICS STD 8 — Question

ICSE BoardEnglish MediumSTD 8PHYSICSUnit - 6.1 Heat Transfer1 Mark
Question
Write the correct statement :
When a flat sheet of copper is heated the increase in its area is called cubical expansion.
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Answer

When a flat sheet of copper is heated the increase in its area is called superficial expansion.

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