Question on: WAEC Physics - 1998
If the cubic expansivity of brass between 27oC and 100oC is 5.7 x 10-5K-1, What is its linear expansivity?
A
2.85 x 10-5K-1
B
1.90 x 10-5K-1
C
1.86 x 10-5K-1
D
1.70 x 10-5K-1
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Correct Option: B
(\alpha) = (\frac{\Delta}{3} = \frac{5.7 \times 10^{-5}}{3})
= 1.90 x 10-5K-1
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