1.

Coefficient of linear expansion of brass and steel rods are α1and α2 . Length of brass and steel rods are l1 and l2 respectively. If l2–l1 is maintained same at all temperatures, then find the ratio of α1 to α2.

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Coefficient of linear expansion of brass and steel rods are α1and α2 . Length of brass and steel rods are l1 and l2 respectively. If l2l1 is maintained same at all temperatures, then find the ratio of α1 to α2.



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