Solution:

Solution:

The Delboeuf Illusions work on the relative size perception of our mind. This particular illusion is one of the simplest that can even be used to teach your children about the concept of relative size. The black dot in the left image appears to be bigger than the black dot on the right However, both the dots are of same size. It is due to the surrounding circle that the size seems to differ even if that's not true.

Solution:

If you look at the first image, you may conclude that the vertical line is longer than the horizontal line. However in reality, they are of same lengths. In the right image, it is proved that both the lines have equal length.

Solution:

Solution:

The tricky thing in this illusion is that there is no spiral at all. They are concentric circles. Don't believe us? Try from the last circle. Then slowly move down to the center and you will be flabbergasted. The reason why our mind perceives it as spiral is the triangular stripes background that is merging in the center. Due to their mergence, we perceive even the concentric circles to be merging at the center and thus our brain produces the information of a spiral.

Solution:

As you scroll the page, you will perceive an effect of rolling waves. The reason behind this is not just one. First, we have alternate placement of two different shades of green. After that, there is the placement of the white and pink flower kind of pattern which plays a major role here. This is why we find the pattern to be rolling in a wave form or at times like hills and valleys.

Solution:

Solution:

Solution:

Solution:

Solution: