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Question

A thin metal rod fixed between two walls has the crack in the middle as shown figure (1). Therefore, when temperature changes by 32oF it bends at the center as shown in the figure (2). If its temperature coefficient of linear expansion is 32×106/oC, find how much its center rises in (cm)

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A
2 cm
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B
4 cm
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C
6 cm
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D
9 cm
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Solution

The correct option is D 9 cm
2014740_289961_ans_8720f1bdb1a24bccaeb7b381588f3222.jpeg

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