Science, asked by sahilresonance, 8 months ago

When the temperature of a copper coin is raised by 80°C. its diameter increases by 0.2%.

(A) percentage rise in the area of a face is 0.4% (B) percentage rise in the thickness is 0.4% (C) percentage rise in the volume is 0.6% (D) coefficient of linear expansion of copper is 0 25×10^-4/°c

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Answered by anjalicalewic1234

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