Physics · May / June 2016 · Paper 12 · Question 12
5054Particle model
Water of depth 10 m exerts a pressure equal to atmospheric pressure. An air bubble rises to the surface of a lake which is 20 m deep. When the bubble reaches the surface, its volume is 6.0 cm^3. What is the volume of the air bubble at the bottom of the lake?
- A2.0 cm^3
- B3.0 cm^3
- C12 cm^3
- D18 cm^3
As printed in the paper
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Correct answer: A. 2.0 cm^3
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