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Hering Illusion
Last updated at July 27, 2026 by Teachoo
Parallel Illusions
Class 7 (Ganita Prakash 1, 2 & old NCERT)
Chapter 5 Class 7 - Parallel and Intersecting Lines (Ganita Prakash)
- Intersecting Lines
- Parallel and Perpendicular lines
- Between lines
- Parallel and Perpendicular lines in Paper Folding
- Figure it out - Page 113, 114
- Transversals
- Corresponding Angles
- Alternate Angles
- Interior angle on Same side of Transversal
- Drawing Parallel Lines
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Parallel Illusions
- Figure it out - Page 123, 124, 125
Transcript
Hering Illusion The Illusion: The two red lines in the middle are straight and parallel, but the background lines, which look like sun rays, make them appear to bend outwards! What Causes It: Your brain is tricked by the background. It looks like you're moving into a tunnel, and in real life, straight lines would look bent like this as you got closer. Your brain applies this rule even when you're looking at a flat picture. Another example of Hering Illusion is this Here, lines are horizontal instead of vertical But the two black lines are parallel
