The ratio of the linear expansivity of copper to that of iron is approximately 1.5. A specimen of iron and…
JAMB 1980 The ratio of the linear expansivity of copper to that of iron is approximately 1.5. A specimen of iron and a specimen of copper expands by the same amount per unit rise in temperature. The ratio of their length is A. 3 B. 1.5 C. 1.32 D. 1 […]