If two rods of lengths L and 2L having coefficients of linear expansions \alpha and 2\alpha respectively are connected so that total length becomes 3L, the average linear coefficient of expansion of composite rod is

NEET Exam Model Paper 6

Question : 18 of 180

Marks: +1, -0

If two rods of lengths L and 2L having coefficients of linear expansions α and 2α respectively are connected so that total length becomes 3L, the average linear coefficient of expansion of composite rod is

3
2
α
5
2
α
5
3
α
3
5
α

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