Question 23M.3.SL.TZ2.8
| Date | May 2023 | Marks available | [Maximum mark: 5] | Reference code | 23M.3.SL.TZ2.8 |
| Level | SL | Paper | 3 | Time zone | TZ2 |
| Command term | Construct, Describe, State | Question number | 8 | Adapted from | N/A |
An object is placed in front of a concave mirror with the focal point as shown.
Construct a ray diagram to locate the position of the image produced.
[2]
one ray drawn correctly reflected ✓
bottom and top of image located within the accepted region ✓
Allow the image to be within 1 square wide in the shaded region in the diagram above. The bottom not closer than 1 square from the main axis.
Describe the features of the image produced.
[1]
real
OR
inverted
OR
smaller image or magnification<1 ✓
Must have any two correct to score [1]
Features to be consistent with (a)
Parallel light rays are incident on a spherical concave mirror as shown.
State the problem illustrated by the diagram and how it is corrected in reflecting telescopes.
[2]
spherical aberration OR rays do not meet at common focus OR blurred image ✓
parabolic «shape» ✓
