Global Optics Knowledge Test
Since 2013, we have been measuring the global knowledge about optics through the online quiz game.
The results are based on 280583 answers to questions in category optics, given by players from 149 countries.
This test has questions in the following languages:
Italian language, Portuguese language, Russian language, German language, French language, Spanish language, Romanian language, English language, Ukrainian language, Polish language and Dutch language.
Results by country
Results by gender
| 30.5% | /76300 |
| 20.3% | /69828 |
Origin of answers
Answers distribution by gender:
gender
men
52%
76300
women
48%
69828
Answers distribution by language:
language
Italian language
0%
108
Portuguese language
0%
69
Russian language
0%
1939
German language
2%
7121
French language
0%
111
Spanish language
0%
1341
Romanian language
0%
0
English language
7%
21027
Ukrainian language
0%
219
Polish language
88%
248556
Dutch language
0%
92
Answers distribution by country:
country
Poland88%
249127
Germany2%
7364
the United States2%
6716
India1%
4919
the United Kingdom1%
3149
Austria0%
1155
Spain0%
1022
Russia0%
996
Australia0%
844
Switzerland0%
779
Quiz size
Number of active questions per language:
language
Italian language
1%
1
Portuguese language
1%
1
Russian language
4%
4
German language
14%
13
French language
1%
1
Spanish language
2%
2
Romanian language
1%
1
English language
24%
22
Ukrainian language
2%
2
Polish language
46%
41
Dutch language
1%
1