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2.1.3a The absolute scale of temperature

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Question 47

A piston traps a fixed mass of gas inside a cylinder. Initially, the piston is near the right (open) end of the cylinder, trapping the gas in a large volume.

The piston is then pushed inwards towards the closed end of the cylinder. The temperature of the gas remains constant.

How are the density and the pressure of the gas affected by moving the piston?

A

Density increases; pressure increases

B

Density increases; pressure decreases

C

Density decreases; pressure increases

D

Density decreases; pressure remains unchanged

Markscheme

2.1.3a The absolute scale of temperature Questions

  1. IGCSE
  2. /Physics
  3. /2.1.3a The absolute scale of temperature

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.

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