PhysicsThermal expansionJAMB
A metal has a linear expansivity of 1.1 × 10⁻⁵ K⁻¹. Find its area expansivity.
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Answer: D. 2.2 × 10⁻⁵ K⁻¹
Area expansivity β = 2α = 2.2 × 10⁻⁵ K⁻¹.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.