A. 50.006m
B. 50.060m
C. 51.600m
D. 51.200m
Correct Answer:
Option A – 50.006m
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)
![A metal rod of length 100cm is heated through 100°C, calculate the change in length of the rod [linear expansivity of the material of the rod is 3 x 10^-6K-1]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A metal rod of length 100cm is heated through 100°C, calculate the change in length of the rod [linear expansivity of the material of the rod is 3 x 10^-6K-1]")
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