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A relative density bottle of volume 50cm3 is completely filled with a liquid at 30oC....

Physics
WAEC 2007
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 Answer: Option A
Explanation
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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