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3.3 Particle model and pressure

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Question 20
H

The temperature of a fixed mass of gas in a rigid sealed container is raised from 20 ∘C20\ ^\circ\text{C}20 ∘C to 40 ∘C40\ ^\circ\text{C}40 ∘C. Which statement about the collisions with the walls is correct?

[1]
A

The rate of collisions rises and the average force of each collision rises.

B

The rate of collisions rises and the average force of each collision falls.

C

The rate of collisions falls and the average force of each collision rises.

D

The rate of collisions and the average force of each collision are unchanged.

Markscheme

3.3 Particle model and pressure Questions

  1. GCSE
  2. /Physics
  3. /3.3 Particle model and pressure

40 exam-style questions on AQA GCSE Physics 3.3 Particle model and pressure, covering 3.3.1 Particle motion in gases, 3.3.2 Pressure in gases, and 3.3.3 Increasing the pressure of a gas (HT only). Each one has a worked solution and a mark scheme showing where the marks go.

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