 A directory of Objective Type Questions covering all the Computer Science subjects. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews.

 11. 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

 12. To generate a rotation , we must specify a. Rotation angle ϴ b. Distances dx and dy c. Rotation distance d. All of the mentioned

 13. Positive values for the rotation angle ϴ defines a. Counterclockwise rotations about the end points b. Counterclockwise translation about the pivot point c. Counterclockwise rotations about the pivot point d. Negative direction

 14. The rotation axis that is perpendicular to the xy plane and passes through the pivot point is known as a. Rotation b. Translation c. Scaling d. Shearing

 15. The original coordinates of the point in polor coordinates are a. X’=r cos (Ф +ϴ) and Y’=r cos (Ф +ϴ) b. X’=r cos (Ф +ϴ) and Y’=r sin (Ф +ϴ) c. X’=r cos (Ф -ϴ) and Y’=r cos (Ф -ϴ) d. X’=r cos (Ф +ϴ) and Y’=r sin (Ф -ϴ)

 16. The two-dimensional rotation equation in the matrix form is a. P’=P+T b. P’=R*P c. P’=P*P d. P’=R+P

 17. An ellipse can also be rotated about its center coordinates by rotating a. End points b. Major and minor axes c. Both a and b d. None of the above