A student seals the tip of a gas syringe with their finger to trap a sample of air inside, then pulls the plunger outwards.
What happens to the pressure and the volume of the trapped air as the plunger is pulled outwards?
Pressure decreases, volume increases
Pressure decreases, volume decreases
Pressure increases, volume increases
Pressure increases, volume decreases
126 exam-style questions on CIE IGCSE Physics 2.1.3a The absolute scale of temperature. Each one has a worked solution and a mark scheme showing where the marks go.