Ap Eapcet
Heat And Thermodynamics
AP EAPCET 2021 - 19th August Morning Shift
MCQ+1 / -02021
If two rods of length \(L\) and \(2 L\), having coefficients of linear expansion \(\alpha\) and \(2 \alpha\) respectively are connected end-to-end, then find the average coefficient of linear expansion of the composite rod.