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

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.
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  • A 0.00030k-1
  • B 0.00032k-1
  • C 0.01970k-1
  • D 0.02030k-1
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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