If two rods of lengths L and 2L, 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.

AP EAPCET 19-Aug-2021 Shift 1 Paper

Section: Physics

Question : 101 of 160

Marks: +1, -0

If two rods of lengths L and 2L, having coefficients of linear expansion α and 2α respectively are connected end-to-end, then find the average coefficient of linear expansion of the composite rod.

3α
2
5α
2
5α
4
5α
3

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