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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 18 - Temperature and Thermal Expansion > Three rods of equal length are joined to form an equilateral triangle ABC. D is the midpoint of AB. The coefficient of linear expansion is α1 for AB, and α2 for AC and BC. If the distance DC remains constant for small changes in temperature,

Three rods of equal length are joined to form an equilateral triangle ABC. D is the midpoint of AB. The coefficient of linear expansion is α1 for AB, and α2 for AC and BC. If the distance DC remains constant for small changes in temperature,

and α2 for AC and BC. If the distance DC remains constant for small changes in temperature Three rods of equal length are joined to form an equilateral triangle ABC. D is the midpoint of AB. The coefficient of linear expansion is α1 for AB