Question text
13 The diagram shows a cylinder containing air. The piston is free to move inside the cylinder and atmospheric pressure acts outside the cylinder. air cylinder piston thermal energy As the air inside the cylinder is heated, the piston moves to the right. Which quantity decreases? A the average force exerted on the piston each time that one air particle hits the piston B the average speed of the air particles C the mass of air inside the cylinder D the number of collisions made by air particles with the piston in one second
13 The diagram shows a cylinder containing air.
The piston is free to move inside the cylinder and atmospheric pressure acts outside the cylinder.
air cylinder piston
thermal
energy
As the air inside the cylinder is heated, the piston moves to the right.
Which quantity decreases?
A the average force exerted on the piston each time that one air particle hits the piston
B the average speed of the air particles
C the mass of air inside the cylinder
D the number of collisions made by air particles with the piston in one second
Select your answer: