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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

A thin copper wire of length increase in length by 1% when heated from to . If a thin copper plate of area is heated from to , the percentage increase in its area would be

Answer: (D)

Solution

, so the areal expansion is , i.e. about 2%; (a) is the

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Question ID VK-065921