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2.1 Kinetic particle model of matter

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Question 42

A gas is contained in a cylinder by a movable piston.

The piston is pushed slowly into the cylinder so that the gas is compressed at a constant temperature.

How is the average force of each individual collision of a gas particle with the piston affected, and how does the frequency of collisions between the gas particles and the piston change?

A

Force of each collision increases; frequency of collisions decreases

B

Force of each collision increases; frequency of collisions increases

C

Force of each collision stays the same; frequency of collisions decreases

D

Force of each collision stays the same; frequency of collisions increases

Markscheme

2.1 Kinetic particle model of matter Questions

  1. IGCSE
  2. /Physics
  3. /2.1 Kinetic particle model of matter

321 exam-style questions on CIE IGCSE Physics 2.1 Kinetic particle model of matter, covering 2.1.1 States of matter and changes of state, 2.1.2a Particle structure and motion in solids, liquids and gases, 2.1.2b Gas pressure and particle collisions, 2.1.2c Brownian motion, 2.1.3a The absolute scale of temperature, and 2.1.3b Pressure, volume and temperature of a gas. Each one has a worked solution and a mark scheme showing where the marks go.

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