DP Physics (first assessment 2025)

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Question 23M.2.SL.TZ1.c

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Date May 2023 Marks available [Maximum mark: 2] Reference code 23M.2.SL.TZ1.c
Level SL Paper 2 Time zone TZ1
Command term Compare Question number c Adapted from N/A
c.
[Maximum mark: 2]
23M.2.SL.TZ1.c

Compare the internal energy of the chocolate at t = 2 minutes with that at t = 6 minutes.

[2]

Markscheme

Internal energy is greater at t = 6 min OR internal energy is lower at t = 2 min OR internal energy increases «as energy is added to the system» ✓

Because kinetic energy «of the molecules» is the same AND potential energy «of the molecules» has increased / OWTTE ✓

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