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• As soon as we see the above picture, we know the difference between the two. Picture $$1$$ is two dimensional($$2D$$); picture $$2$$ is three dimensional($$3D$$).
• The two-dimensional($$2D$$) images have only two dimensions they are length and height. But, a three-dimensional image($$3D$$) has length, height and width.
• Now there is another new technology-virtual reality in $$3D$$. Virtual reality is a technology that shows the computer image as a real image.