A rod is lying on the ground with both ends free. It has a length of 1m. Coefficient of linear expansion equal to 1.1*10-5per &degC. Calculate the strain when the change in temperature is 10K.

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Thermal expansion is the tendency of matter to change in shape, volume, and area in response to a change in temperature. Temperature is a monotonic function of the average molecular kinetic energy of a substance.


A rod is lying on the ground with both ends free. It has a length of 1m. Coefficient of linear expansion equal to 1.1*10<sup>-5</sup>per &degC. Calculate the strain when the change in temperature is 10K.