DP Physics (first assessment 2025)
Question 21M.2.HL.TZ2.b
| Date | May 2021 | Marks available | [Maximum mark: 1] | Reference code | 21M.2.HL.TZ2.b |
| Level | HL | Paper | 2 | Time zone | TZ2 |
| Command term | Explain | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
21M.2.HL.TZ2.b
Explain why there is no effect on the table of results when the intensity of source B is doubled.
[1]
Markscheme
changing/doubling intensity «changes/doubles number of photons arriving but» does not change energy of photon ✓
