DP Physics (first assessment 2025)
Question 23M.2.SL.TZ1.c
| Date | May 2023 | Marks available | [Maximum mark: 2] | Reference code | 23M.2.SL.TZ1.c |
| Level | SL | Paper | 2 | Time zone | TZ1 |
| Command term | Estimate | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 2]
23M.2.SL.TZ1.c
The percentage uncertainty of the gradient is 6.0 %. The frequency of the wave is (60.0 ± 2.0 %) Hz.
Estimate, using the answer to (b)(iv), μ for the string. Include the percentage uncertainty of μ in your answer.
[2]
Markscheme
μ = «» = 6.229 × 10−4 «kg × m−1»
percentage uncertainty = 6.0 + 2 × 2.0 = 10 % ✓
Accept μ in the range 5.7 to 6.6.
Allow answer in g m−1 .
Allow ECF from (b).
