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Sahay Sir > Question Answers > MTG NEET Physics > Part 1 > Chapter 14 - Thermometry, Expansion and KTG > Two rods having length l1 , and l2​ made of materials with the linear expansion coefficient α 1 ​and α2 ​, were soldered together. The equivalent coefficients of linear expansion for the obtained rod :

Two rods having length l1 , and l2​ made of materials with the linear expansion coefficient α 1 ​and α2 ​, were soldered together. The equivalent coefficients of linear expansion for the obtained rod :

and l2​ made of materials with the linear expansion coefficient α 1 ​and α2 ​ Two rods having length l1 were soldered together. The equivalent coefficients of linear expansion for the obtained rod :