A relative density bottle of volume 50cm3 is co... - WAEC Physics 2007 Question
A relative density bottle of volume 50cm3 is completely filled with a liquid at 30oC. It is then heated to 80oC such that 0.75cm3 of the liquid is expelled. Calculate the apparent cubic expansivity of the liquid.
A
0.00030k-1
B
0.00032k-1
C
0.01970k-1
D
0.02030k-1
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Correct Option: A
Ya = (\frac{\text{Vol. expelled}}{\text{Vol. left x temp. change}} = \frac{0.75}{49.25 \times 50})
= 0.00030k-1
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