A copper rod, 5m long when heated through 20c, expands by 1mm. If a second copper rod, 2.5m long is heated through 5c, by how much will it expand? By: Sunday|Published on: Jan 4|Categories: Physics WAEC| 0 comments A. 4mm B. 2mm C. 0.25mm D. 0.12mm Correct Answer: Option C C. 0.25mm Users Also Read These:Calculate the mass of the copper deposited during…How long would it take to deposit 0.08g of copper…A piece of copper of mass 30g loses 60J of heat…Birds which are large with long straight pointed…Determine the amount of electrons needed to deposit…SEE ALSO A sounding tuning fork is brought near the end of a pipe containing an air column and the loudness of the sound increases. This effect is due to