An iron rod is 1.58m long at 0°c. What must be the length of a brass rod at 0°c if the difference between the lengths of the two rods is to remain the same at all temperatures. Linear expansivity of iron = 1.2× 10-5k-1
linear expansivity of brass= 1.9×10-5K-1?
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Asked by Aeeeshatuh on 24th October, 2020
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