DP Physics (first assessment 2025)

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Question EXE.2.HL.TZ0.a

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Date Example questions Example questions Marks available [Maximum mark: 3] Reference code EXE.2.HL.TZ0.a
Level HL Paper 2 Time zone TZ0
Command term Explain Question number a Adapted from N/A
a.
[Maximum mark: 3]
EXE.2.HL.TZ0.a

Explain why the gas in configuration B has a greater number of microstates than in A.

[3]

Markscheme

Configuration A has only one microstate ✓ 

In configuration B, pairs of particles can be swapped between the halves ✓ 

Every such change gives rise to a new microstate «so there is a large number of microstates in B» ✓

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