DP Physics (last assessment 2024)
Question 18M.3.HL.TZ2.b
| Date | May 2018 | Marks available | [Maximum mark: 2] | Reference code | 18M.3.HL.TZ2.b |
| Level | HL | Paper | 3 | Time zone | TZ2 |
| Command term | Describe | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 2]
18M.3.HL.TZ2.b
The natural frequency of a driven oscillating system is 6 kHz. The frequency of the driver for the system is varied from zero to 20 kHz.
The Q factor for the system is reduced significantly. Describe how the graph you drew in (a) changes.
[2]
Markscheme
peak broadens
reduced maximum amplitude / graph shifted down
resonant frequency decreases / graph shifted to the left
[2 marks]
