Questions
An equilateral triangle ABC is formed by joining three rods of equal length and D is the mid-point of AB. The coefficient of linear expansion for AB is α1 and for AC and BC is α2. The relation between α1 and α2, if distance DC remains constant for small changes in temperature is
detailed solution
Correct option is B
Before and after changing the temperature, l22−l124=l2(1+at)2−14l1(1+at)2and l1 = l2Talk to our academic expert!
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