A cylinder contains a fixed mass of gas. The pressure of the gas is tripled and the temperature remains the same. What happens to the volume of the gas?
It remains the same.
It reduces to one-third of its original value.
It triples.
It reduces to one-ninth of its original value.
33 exam-style questions on OCR GCSE Physics Pressure. Each one has a worked solution and a mark scheme showing where the marks go.