Illusions questions This is a list of recently added questions about illusions. Play illusions quiz and see all the questions. Which continent is that?Australia. This is Australia map, with north at the bottom side.Created by: globalquiz.orgcontinents riddles »easy 70% North AmericaNorth America1810South AmericaSouth America619AsiaAsia2461AustraliaAustralia11756 How many dots at the intersections are black?None. In this scintillating grid illusion, dark dots seem to appear and disappear randomly. Various theories have been proposed to explain it. It may be caused by the mechanism of lateral inhibition (the capacity of an excited neuron to reduce the activity of its neighbors).Created by: Steve Lambertyoptical illusions riddles »very easy 86% 10%10%19425%25%36550%50%954NoneNone9940 Which orange circle is larger?Both are the same size. This is known Ebbinghaus illusion. Although commonly thought of as an illusion of size, recent work suggests that the critical factor in the illusion is not the size, but the distance of the surrounding circles. In a similar way, the Moon appears larger on clear sky when it's close to the horizon line.Created by: globalquiz.orgtechnology riddles »very easy 86% the one on the leftthe one on the left275the one on the rightthe one on the right1161both are the same sizeboth are the same size11515the first one you look atthe first one you look at389 Whose face has been combined with Albert Einstein in this hybrid image?Marylin Monroe. A Hybrid Image is an optical illusion developed at MIT in which an image can be interpreted in one of two different ways depending on viewing distance. In order to see Marylin clearly, you need to move away of the screenCreated by: Cleotechnology riddles »easy 77% Kim BasingerKim Basinger341MadonnaMadonna955Marylin MonroeMarylin Monroe9624Woody AllenWoody Allen1555 How is this polygon called? (the one over the circles)Square. In this Ehrenstein illusion the sides of a square placed inside a pattern of concentric circles take an apparent curved shape. But in reality, the sides are straight.Created by: Debbie Foxgeometry riddles »easy 74% squaresquare15120rhomboidrhomboid2097concave squareconcave square1754concave rhomboidconcave rhomboid1198 Which shape is larger?None of them. Both shapes are the same, but the bottom one is placed more to the right. This is however difficult to notice. It is known as Jastrow Illusion.Created by: globalquiz.orgmathematics riddles »average 61% AA640BB3936None of themNone of them11414Both are largerBoth are larger2709 Which line is the longest?All are the same. This illusion has a long research history. It seems that people living in urbanized areas perceive the lines as representing the corners of rectilinear objects viewed in perspective, being more susceptible to illusion than people from rural areas.Created by: globalquiz.orgtechnology riddles »very easy 85% AA373BB1207CC221All are the sameAll are the same10796 Which of the lines on the right, is the continuation of the black line on the left?Red one. This is known as Poggendorff illusion, first described in 1860. Many detailed studies of the illusion point to its principal cause: acute angles in the figure are seen by viewers as expanded.Created by: globalquiz.orgtechnology riddles »hard 46% red onered one3365blue oneblue one1623none of themnone of them1327both of themboth of them850 Which lines are parallel?Green, blue and red. This is a well known Zöllner illusion, first described in 1860. It may be caused by this impression of depth. The black lines are parallel, too!Created by: globalquiz.orgtechnology riddles »average 69% blue and red onlyblue and red only557green and red onlygreen and red only1054green, blue and redgreen, blue and red7882nonenone1787 Which area is brighter?Both are the same. 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.Created by: globalquiz.orgoptics riddles »average 69% AA1082BB1679Both are the sameBoth are the same8305It depends on the order of seeingIt depends on the order of seeing823 Play technology quiz and see all the questions.