• Computer Graphics MCQ Topics

# Rotation MCQ Questions And Answers

Rotation MCQs : This section focuses on "Rotation" in Computer Graphics. These Multiple Choice Questions (MCQ) should be practiced to improve the Computer Graphics skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.

1. ___________ is a process of changing the angle of the object.

A. Translation
B. Rotation
C. Scaling
D. Shearing

2. Rotation is?

A. clockwise
B. anticlockwise
C. can be clockwise or anticlockwise
D. None of the above

3. Rotation point is also called a?

A. clockwise point
B. anticlockwise point
C. object point
D. pivot point

4. How many types of rotation there?

A. 1
B. 2
C. 3
D. 4

5. The positive value of the pivot point (rotation angle) rotates an object in a?

A. Anticlockwise
B. Counterclockwise
C. Clockwise
D. Both A and B

6. When the object is rotated, then every point of the object is rotated by the same angle.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

7. Which of the following equation is correct for the new Y co-ordinate if an object undergoes 3D rotation around x axis?

A. Ynew = Yold x cosθ – Zold x sinθ
B. Ynew = Yold x sinθ – Zold x cosθ
C. Ynew = Yold x cosθ + Zold x sinθ
D. Ynew = Yold x sinθ + Zold x cosθ

8. A two dimensional rotation is applied to an object by

A. Repositioning it along with straight line path
B. Repositioning it along with circular path
C. Both A and B
D. None of the above

9. Which of the following equation is correct for the new Z co-ordinate if an object undergoes 3D rotation around x axis?

A. Znew = Yold x sinθ – Zold x cosθ
B. Znew = Yold x sinθ + Zold x cosθ
C. Znew = Yold x cosθ – Zold x sinθ
D. Znew = Yold x cosθ + Zold x sinθ

10. The negative value of the pivot point (rotation angle) rotates an object in a clockwise direction.

A. Yes
B. No
C. Can be yes or no
D. Can not say