A gas in a sealed container is allowed to expand slowly so that its temperature remains constant.
What happens to the molecules of the gas as a result of this expansion?
The average speed of the molecules decreases.
The average force exerted during a single collision between a molecule and the container increases.
There are less frequent collisions between molecules and the container.
The volume of each individual molecule increases.
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.