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Expansion Of Steel Rods During Temperature Change

A steel meter rod reads the correct length of objects at 20 degrees C. If the temperature of the steel rod increases to 30 degrees C and the scale to measure the length of an object, it will

a) Give the correct length of the object
b) Underestimate the actual length of an object
c) Overestimate the actual length of the object

Solution Summary

The solution is comprised of a brief but concise explanation as to the behavior of the steel rod during a change in temperature.