DP Physics (first assessment 2025)

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Question EXE.1A.HL.TZ0.19

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Date Example questions Example questions Marks available [Maximum mark: 1] Reference code EXE.1A.HL.TZ0.19
Level HL Paper 1A Time zone TZ0
Command term Question number 19 Adapted from N/A
19.
[Maximum mark: 1]
EXE.1A.HL.TZ0.19

A thermodynamic process taking place in an isolated system is irreversible when the final state of the system has a:


A.  greater number of microstates than the initial state

B.  smaller number of microstates than the initial state

C.  greater internal energy than the initial state

D.  smaller internal energy than the initial state

[1]

Markscheme

A

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