question edit history translations

Which area is brighter?

A

B

Both are the same

It depends on the order of seeing

This is the well known checker shadow illusion, first published in 1995 by Edward H. Adelson, Professor of Vision Science at MIT. The area A appears darker because of its light surrounding. At the same time, area B, surrounded with dark areas, appear lighter.

globalquiz.org

8

illusionsoptical illusionsopticstechnology

Illusions quiz Optical illusions quiz Optics quiz

You will play as

Answers by country

Singapore

7%

3%

80%

7%

26

Australia

12%

1%

77%

7%

79

the Netherlands

5%

0%

75%

5%

20

the United States

8%

5%

74%

9%

742

Canada

12%

8%

73%

4%

49

Greece

7%

10%

71%

10%

28

Poland

8%

13%

69%

7%

19055

the United Kingdom

11%

9%

67%

8%

211

the Philippines

10%

5%

67%

13%

37

Belarus

10%

6%

66%

13%

30

France

0%

13%

66%

13%

15

Austria

5%

23%

64%

7%

39

Russia

8%

13%

63%

14%

122

Germany

13%

14%

61%

8%

214

Ukraine

7%

17%

60%

13%

173

Kazakhstan

6%

13%

60%

13%

15

India

11%

9%

56%

18%

301

Switzerland

15%

26%

47%

5%

19

Unknown

21%

5%

42%

31%

19

the United Arab Emirates

28%

28%

35%

7%

14

Which continent is that?

In what process sky colors (including blue sky and red sun) are created?

Rayleigh scattering

atmospheric refraction

Which of the lines on the right, is the continuation of the black line on the left?

How many dots at the intersections are black?