An iron rod of length 50m and at a temperature of 60°C is heated to 70°C. Calculate its new length. (Linear expansivity of iron = 1.2 x 10-5K-1) By: Sunday|Published on: Aug 27|Categories: Physics WAEC| 0 comments A. 50.006m B. 50.060m C. 51.600m D. 51.200m Correct Answer: Option A – 50.006m Users Also Read These:A metal rod of length 50cm is heated from 40oC to…When a metal ball is heated through 30°C, its volume…Metal rods of length 20m each are laid end to end to…A brass rod is 2 m long at a certain temperature.…A rectangular piece of iron measuring 4 cm by 3 cm…SEE ALSO A lens that is thinner at the middle and thicker at the edges is?