Physics · Oct / Nov 2020 · Paper 12 · Question 12
5054Particle model
The diagram shows a diver 20 m below the surface of a lake. The total pressure at this depth is 3.0 × 10⁵ Pa. An air bubble has a volume of 0.60 cm³ as it leaves the diver. It rises to the surface of the lake where the pressure is 1.0 × 10⁵ Pa. The temperature of the air in the bubble remains constant. What is the volume of the air bubble at the surface of the lake?
- A0.20 cm³
- B0.60 cm³
- C1.8 cm³
- D2.4 cm³
As printed in the paper
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Correct answer: C. 1.8 cm³
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