The linear expansivity of brass is 2 x 10−5&n...
The linear expansivity of brass is 2 x 10−5 oC−1. If the volume of piece of brass is 10cm3 at 0oC. What will be its volume at 100oC?
10.06cm3
10.04 cm3
10.02 cm3
10.20 cm3
Correct answer is A
3 x α = V2−V1V1×Δθ
3 x 2 x 10−5 = V2−10100×10
V2 = (100 x 10 x 3 x 2 10−2) + 10
= 10.06 cm3