Top 550+ Solved Computer Graphics MCQ Questions Answer
Q. By which ,we can take a view of an object from different directions anddifferent distances ______________.
a. projection
b. rotation
c. translation
d. scaling
Q. Parallel projection shows the ______________.
a. true image of an object
b. true size of an object
c. true shape of an object
d. all of these
Q. Projection rays(projectors) emanate from a _______________.
a. cop(centre of projection )
b. intersect projection plane
c. both a and b
d. none of these
Q. The centre of projection for parallel projectors is at _____________.
a. zero
b. infinity
c. one
d. none of these
Q. In orthographic projection, engineering use ___________.
a. top view of an object
b. front view of an object
c. side view of an object
d. all of these
Q. The orthographic projection that show more than one side of an object are called _______________.
a. axonometric projection
b. isometric projection
c. both a & b
d. none of these
Q. The projection that can be viewed as the projection that has a centre of projection at a finite distance from the plane of projection are called ________
a. parallel projection
b. perspective projection
c. isometric projection
d. none of these
Q. The perspective projection is more practical because the distant objects appear _________.
a. smaller
b. larger
c. neither smaller nor larger
d. none of these
Q. The equation of scaling transformation will be ___________
a. x1=x+tx,y1=y+ty,z1=z+tz
b. x1=x.sx,y1=y.sy,z1=z.sz
c. both of these
d. none of these
Q. The equation of translation transformation will be ______________.
a. x1=x+tx,y1=y+ty,z1=z+tz
b. x1=x.sx,y1=y.sy,z1=z.sz
c. both of these
d. none of these
Q. The equation for describing surface of 3D plane are ______________.
a. ax+ by+ cz+ d= 0
b. ax+ by+ cz = 0
c. ax+ by+ d= 0
d. ax+ by+ cz+ d= 1
Q. The object refers to the 3D representation through linear, circular or some other representation are called ___________
a. quadric surface
b. sweep representation
c. torus
d. none of these
Q. The distance of a line from the projection plane determines ___________
a. its size on projection plane
b. its length on projection plane
c. its width on projection plane
d. its height on projection plane
Q. The further the line from the projection plane, _______its image on the projection plane
a. smaller
b. larger
c. neither smaller nor larger
d. none of these
Q. When two molecules move apart, which effect on molecular shapes_________.
a. stretching
b. snapping
c. contracting
d. all of these