| Date | May 2010 | Marks available | 1 | Reference code | 10M.1.HL.TZ1.20 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 20 | Adapted from | N/A |
Question
A beam of coherent light is incident on a single slit of width \(b\). After passing through the slit, the light is incident on a screen at a distance \(D\) from the slit.
Which of the following changes, carried out separately, in respect of \(b\) and \(D\) will result in an increase in width of the first diffraction maximum formed on the screen?
Markscheme
A
Examiners report
[N/A]
