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|Published on: Jan 11|Categories: 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:If the cubic expansivity of brass between 27°C and…The length of an iron bar is 100cm at 20°C. At what…A cube made of a metal of linear expansivity is…A rectangular piece of iron measuring 4 cm by 3 cm…The region of a plant stem in which cells divide to…SEE ALSO Which of the following physical quantities are derived?