DP Physics (last assessment 2024)
Question 20N.3.SL.TZ0.10
| Date | November 2020 | Marks available | [Maximum mark: 3] | Reference code | 20N.3.SL.TZ0.10 |
| Level | SL | Paper | 3 | Time zone | TZ0 |
| Command term | Construct, Outline | Question number | 10 | Adapted from | N/A |
10.
[Maximum mark: 3]
20N.3.SL.TZ0.10
The diagram represents a diverging mirror being used to view an object.
(a)
Construct a single ray showing one path of light between the eye, the mirror and the object, to view the object.
[2]
Markscheme
attempt to connect object and eye with ray showing equal angles of reflection such that reflection occurs within 1 hatch mark of position shown ✓
construction showing normal at point of reflection ✓
Allow rays that are drawn freehand without a ruler - use judgement
(b)
The image observed is virtual. Outline the meaning of virtual image.
[1]
Markscheme
light rays do not pass through the image
OR
do not form an image on a screen
OR
appear to have come from a point
OR
formed by extension of rays ✓
OWTTE.
