Top 550+ Solved Computer Graphics MCQ Questions Answer
Q. Two consecutive rotation transformation are always__________.
a. additive
b. subtractive
c. multiplicative
d. none of these
Q. Reflection about X-axis followed by reflection about Y-axis is equivalent to_______.
a. reflection about line y= x
b. reflection about origin
c. reflection about line y=-x
d. reflection about y-axis
Q. If a circle is scaled in only one direction then it will become___________.
a. parabola
b. hyperbola
c. ellipse
d. circle
Q. The result of two successive 2D rotations R(Q1) and R(Q2) is___________.
a. r(q1+q2)
b. r(q1.q2)
c. r(q1-q2)
d. r(q1/q2)
Q. If we take mirror reflection of a points(x,y) along the line Y=X then the point becomes________.
a. (x,-y)
b. (-y,-x)
c. (-x,y)
d. (y,x)
Q. In X-shear transformation point(x,y)becomes_________.
a. (x+yb,xa+y)
b. (x+yb,y)
c. (x,xa+y)
d. none of these
Q. Shear transformation can be formed by scaling and rotation,justify True or False .
a. true
b. false
c. not always
d. none of these
Q. Which transformation needs homogeneous coordinates to represent it in Matrix from?
a. scaling
b. rotation
c. translation
d. reflection
Q. Any 2D point in homogeneous coordinates is represented in a matix form with dimension as________.
a. 1*2
b. 2*1
c. 1*3
d. 3*1
Q. If we need to tilt the 2D object in one direction then we have to use_____transformation.
a. scaling
b. translation
c. shear
d. rotation
Q. In Scaling transformation Sx Indicate______.
a. scaling factor along x axis
b. translation factor along x axis
c. tilting factor along x axis
d. none of these
Q. A point x(2,3) is reprensented in homogeneous coordinates as_________.
a. (2,3)
b. (2,3,1)
c. (2,3,1)
d. (2,3,0)
Q. The transformation matrix is used for__________.
a. reflection at x axis
b. reflection at y axis
c. reflection at origin
d. reflection at line y=x
Q. The transformation matrix is used for_____________.
a. scaling
b. y-shear
c. x-shear
d. none of these
Q. In 3D viewing, mismatch between 3D objects and 2D displays is compensated by introducing_________.
a. transformation
b. projection
c. rotation
d. translation