Question text
15 Air is trapped in a cylinder by a piston. The pressure of the air is p and the length of the air column is 20cm. The piston is moved outwards until the length of the air column has increased by 40cm. The temperature of the air remains constant. 20 cm 40 cm trapped air What is the new air pressure? p p A B C 2p D 3p 2 3
15 Air is trapped in a cylinder by a piston. The pressure of the air is p and the length of the air
column is 20cm.
The piston is moved outwards until the length of the air column has increased by 40cm.
The temperature of the air remains constant.
20 cm 40 cm
trapped air
What is the new air pressure?
p p
A B C 2p D 3p
2 3
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