Categories: Physics WAEC

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]

A. 152.6 °C
B. 182.6 °C
C. 306.1 °C
D. 335.5 °C

Correct Answer:

Option A = 152.6 °C

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