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 277614 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
| 30.4% | /76077 |
| 20.2% | /69725 |
Origin of answers
Answers distribution by gender:
gender
men
52%
76077
women
48%
69725
Answers distribution by language:
language
Italian language
0%
94
Portuguese language
0%
66
Russian language
0%
1911
German language
2%
6893
French language
0%
110
Spanish language
0%
1337
Romanian language
0%
0
English language
7%
20684
Ukrainian language
0%
219
Polish language
88%
246209
Dutch language
0%
91
Answers distribution by country:
country
Poland89%
247138
Germany2%
6991
the United States2%
6403
India1%
4873
the United Kingdom1%
3057
Austria0%
1145
Spain0%
1018
Russia0%
977
Australia0%
832
Switzerland0%
749
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