DP Physics (last assessment 2024)
Question 18M.3.SL.TZ2.a
| Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.3.SL.TZ2.a |
| Level | SL | Paper | 3 | Time zone | TZ2 |
| Command term | Identify | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
18M.3.SL.TZ2.a
The diagram represents a simple optical astronomical reflecting telescope with the path of some light rays shown.
Identify, with the letter X, the position of the focus of the primary mirror.
[1]
Markscheme
where the extensions of the reflected rays from the primary mirror would meet, with construction lines
eg:
[1 mark]