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Cambridge IGCSE. 2025. Physics (0625). May/June - Paper 2 (22) · Multiple Choice (Extended) - Question 12

Cambridge IGCSE · Paper 2 (22) · Multiple Choice (Extended)

Question 12

A bubble of gas rises from the bottom of a lake to the top.

The table shows readings of the gas pressure inside the bubble and the volume of the bubble.

The temperature of the water in the lake is constant.

The values in three rows of the table are correct and one row is **not** correct.

Which row is **not** correct?
  1. pressure 360 kPa; volume 2.4 cm³
  2. pressure 270 kPa; volume 3.2 cm³
  3. pressure 160 kPa; volume 4.6 cm³
  4. pressure 120 kPa; volume 7.2 cm³
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