The pressure that has to be applied to the ends of a steel wire of len – InterviewSolution

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1.	The pressure that has to be applied to the ends of a steel wire of length 10 cm to keep its length constant when its temperature is raised by 100∘Cis(ForsteelY=2×1011Nm−2 and α=1.1×10−5K−1)
Answer» The pressure that has to be applied to the ends of a steel wire of length 10 cm to keep its length constant when its temperature is raised by $100^{\circ} C i s (F o r s t e e l Y = 2 \times 10^{11} N m^{- 2}$ and $α = 1.1 \times 10^{- 5} K^{- 1})$

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