Question 25A 15m metallic rod expanded to 15.03m when heated from 10°C to 100°C. The linear expansivity of the metals is ___.A.2 x 10-6 K-1 B.2 x 10-5 K-1C.6.2 x 10-6 K-1D.0.5 x 10-6 K-1Objective Show full explanation