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Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 14 - Solid Mechanics > Coefficient of linear expansion of brass and steel rods are α1​ and α2​. Lengths of brass and steel rods are l1​ and l2​ respectively. If (l2 ​− l1​) is maintained same at all temperatures, which one of the following relations holds good?

Coefficient of linear expansion of brass and steel rods are α1​ and α2​. Lengths of brass and steel rods are l1​ and l2​ respectively. If (l2 ​− l1​) is maintained same at all temperatures, which one of the following relations holds good?

Coefficient of linear expansion of brass and steel rods are α1​ and α2​. Lengths of brass and steel rods are l1​ and l2​ respectively. If (l2 ​− l1​) is maintained same at all temperatures which one of the following relations holds good?