Computer Graphics (3150712) MCQs

MCQs of 3D concepts and object representation

Showing 11 to 20 out of 50 Questions
11.
Which is a correct plane equation in vector form? (N=Normal vector, P=Point on the plane, D=Plane constant)
(a) N ∙ P = -D
(b) N X P = -D
(c) A and B both
(d) None of these
Answer:

Option (a)

12.
Which is not a correct representation of polygon mesh?
(a) Explicit representation
(b) Implicit representation
(c) Pointer to the vertex list
(d) Pointer to the edge list
Answer:

Option (b)

13.
A spline is defined as :
(a) Curved strip
(b) The smooth curve is drawn with a pencil by using some control points
(c) The flexible strip used to produce a smooth curve through a designated set of points
(d) None of these
Answer:

Option (c)

14.
Interpolation spline means :
(a) Spline does not pass through any control points
(b) Spline passes through all control points
(c) Spline passes through some control points
(d) None of these
Answer:

Option (b)

15.
When the curve section follows the general control point path without necessarily passing through any control point is known as :
(a) Intrapolation spline
(b) Interpolation spline
(c) Attachment spline
(d) Approximation spline
Answer:

Option (d)

16.
The convex polygon boundary that encloses a set of control points is called :
(a) Convex hull
(b) Concave hull
(c) Control graph
(d) Convex graph
Answer:

Option (a)

17.
A polyline connecting the sequence of control points for an approximation spline is known as :
(a) Convex hull
(b) Concave hull
(c) Control graph
(d) Convex graph
Answer:

Option (c)

18.
First-order parametric continuity is denoted by :
(a) G1
(b) C1
(c) P1
(d) S1
Answer:

Option (b)

19.
Second-order geometric continuity is denoted by :
(a) G2
(b) C2
(c) P2
(d) S2
Answer:

Option (a)

20.
Choose the below statements are true or false:
1. Zero-order parametric continuity means simply curves meet.
2. The constraints for zero-order parametric and geometric continuity are the same.
(a) 1. True, 2. True
(b) 1. True, 2. False
(c) 1. False, 2. True
(d) 1. False, 2. False
Answer:

Option (a)

Showing 11 to 20 out of 50 Questions