DP Physics (last assessment 2024)
Question 19N.3.SL.TZ0.8a
| Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.3.SL.TZ0.8a |
| Level | SL | Paper | 3 | Time zone | TZ0 |
| Command term | State | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
19N.3.SL.TZ0.8a
A small object is placed at a distance of 2.0 cm from the objective lens of an optical compound microscope in normal adjustment.
The following data are available.
Magnification of the microscope = 70
Focal length of the eyepiece = 3.0 cm
Near point distance = 24 cm
(a)
State what is meant by normal adjustment when applied to a compound microscope.
[1]
Markscheme
«the final» image is formed at the near point of the eye ✔
