Match List I with List II

List I – Depth cue	List II – Explanation
A. Motion parallax	I. Both eyes fixate on the same point in space
B. Texture gradient	II. Partial occlusion of a far object by a near object
C. Interposition	III. Graded variation in the shape, size and density of the surface elements
D. Convergence	IV. Movement in one part of the image relative to another

1. A(A)-(III), (B)-(II), (C)-(IV), (D)-(I)
2. B(A)-(IV), (B)-(III), (C)-(II), (D)-(I)
3. C(A)-(I), (B)-(IV), (C)-(III), (D)-(II)
4. D(A)-(II), (B)-(I), (C)-(III), (D)-(IV)

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Correct answer: B. (A)-(IV), (B)-(III), (C)-(II), (D)-(I)

Explanation

Motion parallax: relative movement in the image; texture gradient: graded change in surface elements; interposition: near object occludes far; convergence: both eyes fixate one point.