A sealed, rigid gas bulb in a thermostatic switch is warmed.
Which account explains why the pressure of the gas rises?
The particles hit the walls more often, but each collision exerts the same force.
The particles hit the walls less often, and each collision exerts the same force.
The particles hit the walls less often, but each collision exerts a larger force.
The particles hit the walls more often, and each collision exerts a larger force.
108 exam-style questions on Edexcel GCSE Physics 14.3 Gas pressure and temperature, covering 14.3.1 Gas pressure and particle motion, 14.3.2 Temperature and pressure at constant volume, 14.3.3 Absolute zero and the kelvin scale, 14.3.4 Compressing and expanding gases, 14.3.5 Volume and pressure at constant temperature, and 14.3.6 Doing work on a gas. Each one has a worked solution and a mark scheme showing where the marks go.