A solid metal cube of side 10 cm is heated from... - WAEC Physics 1993 Question
A solid metal cube of side 10 cm is heated from
10oC to 60oC. lf the linear expansivity of the metal is 1.2 x 105K-1, calculate the increase in its volume.
10oC to 60oC. lf the linear expansivity of the metal is 1.2 x 105K-1, calculate the increase in its volume.
A
0.6cm3
B
1.2 cm3
C
1.8 cm3
D
3.6 cm3
correct option: c
Δv = 3αvΔθ = 3 x 1.2 x 10-5 x 1000
X(60 – 10) = 1.8cm
X(60 – 10) = 1.8cm
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