A syringe containing a fixed mass of air is sealed at its nozzle. What happens to the pressure and what happens to the volume of the trapped air as the plunger is pulled outwards?
Pressure decreases, volume decreases
Pressure decreases, volume increases
Pressure increases, volume decreases
Pressure increases, volume increases
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.