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Date November 2016 Marks available 1 Reference code 16N.1.SL.TZ0.12
Level Standard level Paper Paper 1 Time zone 0 - no time zone
Command term Question number 12 Adapted from N/A

Question

The pressure of a fixed mass of an ideal gas in a container is decreased at constant temperature. For the molecules of the gas there will be a decrease in 

A. the mean square speed.
B. the number striking the container walls every second. 
C. the force between them. 
D. their diameter.

Markscheme

B

Examiners report

[N/A]

Syllabus sections

Core » Topic 3: Thermal physics » 3.2 – Modelling a gas
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