Two rods of same area of cross-section have lengths {\L} and 2 {\L} and coefficients of linear expansions 2 \alpha and \alpha respectively. If they are welded to form a composite rod of length 3 {\L} then the coefficient of linear expansion of the composite rod is [TG EAPCET 12 May 2023 Shift 2]

TS EAMCET Engineering 12 May 2023 Shift 2 Solved Paper

Section: Physics

Question : 95 of 160

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Two rods of same area of cross-section have lengths L and 2L and coefficients of linear expansions 2α and α respectively. If they are welded to form a composite rod of length 3L then the coefficient of linear expansion of the composite rod is

[TG EAPCET 12 May 2023 Shift 2]

‌
3α
2
3α
‌
3α
4
‌
4α
3

Validate

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