Two rods of different metals of coefficient of linear expansion α1 and α2and....

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Two rods of different metals of coefficient of linear expansion α1 and α2and initial length l1 and l2 respectively are heated to the same temperature. Find relation in α1, α2, l1 and l2such that difference between their lengths remain constant. 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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