A bubble of air rises from the seabed to the surface.
The table shows readings of the pressure of the air inside the bubble and the volume of the bubble. The temperature of the water is constant.
The values in three of the rows are correct and one row is not correct.
Which row is not correct?
| Pressure / kPa\text{kPa}kPa | Volume / cm3\text{cm}^3cm3 | |
|---|---|---|
| A | 500 | 2.0 |
| B | 400 | 2.8 |
| C | 250 | 4.0 |
| D | 200 | 5.0 |
A
B
C
D
321 exam-style questions on CIE IGCSE Physics 2.1 Kinetic particle model of matter, covering 2.1.1 States of matter and changes of state, 2.1.2a Particle structure and motion in solids, liquids and gases, 2.1.2b Gas pressure and particle collisions, 2.1.2c Brownian motion, 2.1.3a The absolute scale of temperature, and 2.1.3b Pressure, volume and temperature of a gas. Each one has a worked solution and a mark scheme showing where the marks go.