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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > An isosceles triangle is formed with a rod of length l1 and coefficient of linear expansion α1 for the base and two thin rods each of length l2 and coefficient of linear expansion α2 for the two pieces, if the distance between the apex and the

An isosceles triangle is formed with a rod of length l1 and coefficient of linear expansion α1 for the base and two thin rods each of length l2 and coefficient of linear expansion α2 for the two pieces, if the distance between the apex and the

A brass rod of length 50cm and diameter 3.0cm is joined to a steel rod of the same length and diameter. What is the change in length of the combined rod at 250∘C if the original length are at 40.0∘C?