Question on: WAEC Physics - 2014
The mass of an empty density bottle is 30g. When filled with a liquid, the mass reduces to 38g. Calculate the apparent cubic expansivity of the liquid
A
6.25 x 10K-1
B
6.25 x 10-3K-1
C
2.50 x 10-3K-1
D
2.50 x 10-4K-1
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Correct Option: B
Apparent cubic expansivity = (\frac{\text{mass of hot liquid expelled}}{\text{mass of hot liquid left x temp. rise}})
= (\frac{2}{8 \times 40} = 0.00625)
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