Sudut datang (optik)

Angle of incidence - angle between a ray incident on a surface and the line perpendicular to the surface at the point of incidence. Article “Sudut datang (optik)” in Indonesian Wikipedia has 15 points for quality (as of July 1, 2026). The article contains 2 references and 4 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 1.66 points.

This article has the best quality in Hebrew Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “Sudut datang (optik)”, its content was written by 1 registered users of Indonesian Wikipedia and edited by 250 registered Wikipedia users in all languages.

The highest Authors Interest rank from 2001:

• Local (Indonesian): #29527 in November 2025
• Global: #28245 in July 2004

The highest popularity rank from 2008:

• Local (Indonesian): #200562 in February 2026
• Global: #100510 in May 2021

There are 22 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Hebrew (he) זווית פגיעה		45.8113
2	French (fr) Angle d'incidence (optique)		24.2442
3	Catalan (ca) Angle d'incidència		22.5204
4	Finnish (fi) Tulokulma		22.2036
5	Chinese (zh) 入射角		20.7311
6	Portuguese (pt) Ângulo de incidência		20.552
7	English (en) Angle of incidence (optics)		19.6139
8	Malay (ms) Sudut tuju (optik)		18.9228
9	Persian (fa) زاویه تابش		17.4923
10	Indonesian (id) Sudut datang (optik)		14.971

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Sudut datang (optik)" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Angle of incidence (optics)		675 567
2	Spanish (es) Ángulo de incidencia		297 309
3	German (de) Einfallswinkel		165 745
4	French (fr) Angle d'incidence (optique)		152 550
5	Portuguese (pt) Ângulo de incidência		93 385
6	Polish (pl) Kąt padania		81 876
7	Chinese (zh) 入射角		73 346
8	Persian (fa) زاویه تابش		48 131
9	Swedish (sv) Infallsvinkel		39 832
10	Arabic (ar) زاوية السقوط (بصريات)		34 756

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Sudut datang (optik)" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Angle of incidence (optics)		2 066
2	Persian (fa) زاویه تابش		949
3	Chinese (zh) 入射角		254
4	German (de) Einfallswinkel		182
5	French (fr) Angle d'incidence (optique)		152
6	Spanish (es) Ángulo de incidencia		72
7	Korean (ko) 입사각		67
8	Polish (pl) Kąt padania		53
9	Portuguese (pt) Ângulo de incidência		45
10	Italian (it) Angolo d'incidenza (ottica)		34

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Sudut datang (optik)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	German (de) Einfallswinkel		47
2	English (en) Angle of incidence (optics)		42
3	French (fr) Angle d'incidence (optique)		29
4	Italian (it) Angolo d'incidenza (ottica)		20
5	Spanish (es) Ángulo de incidencia		18
6	Portuguese (pt) Ângulo de incidência		18
7	Polish (pl) Kąt padania		12
8	Chinese (zh) 入射角		12
9	Catalan (ca) Angle d'incidència		10
10	Arabic (ar) زاوية السقوط (بصريات)		8

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Sudut datang (optik)" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Hebrew (he) זווית פגיעה		3
2	Arabic (ar) زاوية السقوط (بصريات)		1
3	Catalan (ca) Angle d'incidència		0
4	Danish (da) Indfaldsvinkel		0
5	German (de) Einfallswinkel		0
6	English (en) Angle of incidence (optics)		0
7	Spanish (es) Ángulo de incidencia		0
8	Persian (fa) زاویه تابش		0
9	Finnish (fi) Tulokulma		0
10	French (fr) Angle d'incidence (optique)		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Sudut datang (optik)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Angle of incidence (optics)		182
2	German (de) Einfallswinkel		77
3	French (fr) Angle d'incidence (optique)		58
4	Chinese (zh) 入射角		54
5	Spanish (es) Ángulo de incidencia		49
6	Portuguese (pt) Ângulo de incidência		31
7	Catalan (ca) Angle d'incidència		30
8	Ukrainian (uk) Кут падіння (оптика)		30
9	Persian (fa) زاویه تابش		27
10	Korean (ko) 입사각		24

More...

#	Language	Value
ar	Arabic زاوية السقوط (بصريات)
ca	Catalan Angle d'incidència
da	Danish Indfaldsvinkel
de	German Einfallswinkel
en	English Angle of incidence (optics)
es	Spanish Ángulo de incidencia
fa	Persian زاویه تابش
fi	Finnish Tulokulma
fr	French Angle d'incidence (optique)
he	Hebrew זווית פגיעה
id	Indonesian Sudut datang (optik)
it	Italian Angolo d'incidenza (ottica)
ko	Korean 입사각
ms	Malay Sudut tuju (optik)
nn	Norwegian (Nynorsk) Innfallsvinkel
no	Norwegian Innfallsvinkel
pl	Polish Kąt padania
pt	Portuguese Ângulo de incidência
sv	Swedish Infallsvinkel
uk	Ukrainian Кут падіння (оптика)
ur	Urdu زاویہ وقوع
zh	Chinese 入射角

Best Rank

Indonesian: #200562 02.2026

Global: #100510 05.2021

Best Rank

Indonesian: #29527 11.2025

Global: #28245 07.2004

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information