The diameter of a brass ring at 30 °C is 50.0 cm. To what temperature must this ring be heated to increase its diameter to 50.29 cm? [ linear expansivity of brass = 1.9 x 10−5 K−1] by Sunday | Jan 11 | Physics WAEC | 0 comments A. 152.6 °C B. 182.6 °C C. 306.1 °C D. 335.5 °C Correct Answer: Option A = 152.6 °C Users Also Read These:When a metal ball is heated through 30°C, its volume…An aluminium rod of length 1.8m at 100oC is heated…An iron rod of length 50m and at a temperature of…A solid metal cube of side 10cm is heated from 10°C…The linear expansivity α; and cubic expansivity γ;…