DP Physics (first assessment 2025)
Question 22M.2.SL.TZ2.2b.ii
| Date | May 2022 | Marks available | [Maximum mark: 2] | Reference code | 22M.2.SL.TZ2.2b.ii |
| Level | SL | Paper | 2 | Time zone | TZ2 |
| Command term | Discuss | Question number | b.ii | Adapted from | N/A |
b.ii.
[Maximum mark: 2]
22M.2.SL.TZ2.2b.ii
(b.ii)
Discuss, for this process, the changes that occur in the internal energy of the gas.
[2]
Markscheme
internal energy is constant ✓
internal energy depends on kinetic energy/temperature «only»
OR
since temperature/kinetic energy is constant ✓
Do not award MP2 for stating that “temperature is constant” unless linked to the correct conclusion, as that is mentioned in the stem.
Award MP2 for stating that kinetic energy remains constant.
