Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Multiple Choice Questions
Q391: In scaling with respect to a fixed point, the new x-coordinate is:
- A: x.Sx
- B: x.Sx + xf(1-Sx)
- C: xf.Sx + x(1-Sx)
- D: x.Sx - xf
View Answer
B
Q392: A square after differential scaling becomes _______.
- A: circle
- B: rectangle
- C: triangle
- D: parallelogram
View Answer
B
Q393: Translate (2,3) by tx=4, ty=5. New coordinates are _______.
- A: (6,8)
- B: (5,7)
- C: (8,6)
- D: (7,8)
View Answer
D
Q394: Rotate point (1,0) by 90 degrees about origin. New coordinates are _______.
- A: (0,1)
- B: (-1,0)
- C: (1,0)
- D: (0,-1)
View Answer
A
Q395: Scaling a circle with Sx=2, Sy=2 results in _______.
- A: ellipse
- B: same circle with double radius
- C: rectangle
- D: square
View Answer
B
Q396: In translation, vector T represents _______.
- A: pivot point
- B: rotation matrix
- C: shift vector
- D: scale factor
View Answer
C
Q397: In 2D transformations, the basic operations include translation, rotation, and _______.
- A: Shearing
- B: Scaling
- C: Reflection
- D: Projection
View Answer
B
Q398: What is the formula for translation in basic 2D transformations?
- A: P' = T + P
- B: P' = P + T
- C: P' = T.P
- D: P' = S.P
View Answer
B
Q399: In basic 2D rotation, which formula is correct?
- A: P' = R.P
- B: P' = P + R
- C: P' = R + P
- D: P' = S.P
View Answer
A
Q400: Which matrix type is used to eliminate matrix addition in translations?
- A: 2x2 matrix
- B: 3x3 matrix
- C: 4x4 matrix
- D: 5x5 matrix
View Answer
B