CAPE Physics Unit 1 · 2008 (T&T) · Paper 1 · Question Q41
Water of depth 10\text{ m} exerts a pressure equal to atmospheric pressure. An air bubble rises to the surface of a lake which is 20\text{ m} deep. When the bubble reaches the surface its volume is 6\text{ cm}^3. What was the volume of bubble at the bottom of the lake?
- (A)
2\text{ cm}^3 - (B)
3\text{ cm}^3 - (C)
12\text{ cm}^3 - (D)
18\text{ cm}^3
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