When a metal ball is heated through 30oC its vo... - WAEC Physics 2004 Question
When a metal ball is heated through 30oC,its volume becomes 1.0018cm3. If the linear expansivity of the material of the ball is 2.0 x 10-5 K-1, calculate its original volume
A
1.0000cm3
B
1.0020cm3
C
1.0036cm3
D
1.0180cm3
correct option: a
(V_1 = \frac{V_2}{3} = \frac{1.0018}{3 \times 2.0 \times 10^{-5} \times 30 + 1})
= 1cm3
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