QUESTION BANKSubject Name:Subject code:Computer graphicsIT(3004)PreparedBy:Ms.Pinky SharmaVery Short Type Questions:1. What, in outline, are the main types of scan conversion?2. Briefly, in conceptual terms, how can raster ops enable fast scrolling?3. For each of the two types of multiplication of two vectors, give examples ofimportant applications of them in computer graphics4. What is Gouraud shading, and what does it achieve (in the context of assumingdiffuse reflection)?5. What is specular reflection, and how is it usually modeled?6. What does ray tracing involve?7. Outline what ray tracing achieves, and its limitations?8. Vector scaling is multiplication of a vector by a scalar. Using vector scaling, givea formula for a vector s which is a weighted average of three vectors p, q and r.9. An image contains a regular hexagon with length of side 1. Note that you candivide a regular hexagon into six equilateral triangles each with length of side 1.10. Show reasoning not involving trigonometry which derives a formula for thedistance between two opposite sides of the hexagon11. Name, draw or describe two well-known polyhedrons of cubic symmetry which,from some viewpoints, have a hexagonal outline12. The Icosahedron, illustrated above, has 20 triangular faces (hence its name) and12 vertices. The Truncated Icosahedron has had these 12 vertices sliced off,creating 12 pentagons. In place of the Icosahedron's 20 faces, 20 regular hexagonsremain.13. Ho ...

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