1. A metal washer has an outside diameter of 1.2 cm. It has an inside diameter of 0.5 cm. What happens to these diameters if the temperature of the metal washer is DECREASED? 1.2 cm (a) Outside diameter AND inside diameter will INCREASE (b) Outside diameter INCREASES, inside diameter DECREASES 5 cm (c) Outside diameter DECREASES, inside diameter INCREASES (d) Outside diameter AND inside diameter will DECREASE 2. If ocean water has an average thermal expansion coefficient of around 200x10-6 1/C, and the average depth of the ocean is about 1.7 miles (3650 m), Find the change in depth of the world's oceans if the temperature increases by 2C. (a) 14.6 m (b) 7.3 m (c) 1.46 m ( b). 73 m (c) None of these