DP Physics (last assessment 2024)
Question 23M.3.HL.TZ1.a
| Date | May 2023 | Marks available | [Maximum mark: 2] | Reference code | 23M.3.HL.TZ1.a |
| Level | HL | Paper | 3 | Time zone | TZ1 |
| Command term | State | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
23M.3.HL.TZ1.a
State, for this experiment,
(i)
one variable that must be controlled,
[1]
Markscheme
mass OR diameter OR material of bob OR « initial » amplitude/angle ✓
Do not allow statements about rulers, stopwatches, string, number of oscillations, constant gravity.
(ii)
the main source of error in T.
[1]
Markscheme
student’s reaction time «in starting and stopping stopwatch» / starting/stopping stopwatch ✓