# 2D Transformation MCQ Questions And Answers

2D Transformation MCQs : This section focuses on "2D Transformation" 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. When a transformation takes place on a 2D plane, it is called?

A. 1D transformation

B. 2D transformation

C. 3D transformation

D. 4D transformation

View Answer

Ans : B

Explanation: When a transformation takes place on a 2D plane, it is called 2D transformation.

2. We can represent the point by 3 numbers instead of 2 numbers, which is called?

A. Hetrogenous Coordinate system

B. Simple Coordinate system

C. Homogenous Coordinate system

D. All of the above

View Answer

Ans : C

Explanation: we can represent the point by 3 numbers instead of 2 numbers, which is called Homogenous Coordinate system.

3. Which transformation is used, to change the size of an object?

A. scaling transformation

B. vector transformation

C. simple transformation

D. reflection transformation

View Answer

Ans : A

Explanation: To change the size of an object, scaling transformation is used.

4. How many types of shear transformations there?

A. 1

B. 2

C. 3

D. 4

View Answer

Ans : B

Explanation: There are two shear transformations X-Shear and Y-Shear.

5. The Y-Shear preserves the ______ coordinates and changes the __________ coordinates.

A. X, X

B. Y, Y

C. X, Y

D. Y, X

View Answer

Ans : C

Explanation: The Y-Shear preserves the X coordinates and changes the Y coordinates which causes the horizontal lines to transform into lines which slopes up or down.

6. In reflection transformation, the size of the object does not change.

A. TRUE

B. FALSE

C. Can be true or false

D. Can not say

View Answer

Ans : A

Explanation: True, In reflection transformation, the size of the object does not change.

7. Which transformation distorts the shape of an object such that the transformed shape appears as if the object were composed of internal layers that had been caused to slide over each other?

A. Rotation

B. Scaling up

C. Scaling down

D. Shearing

View Answer

Ans : D

Explanation: Two common shearing transformations are the type of transformation that shift coordinate x values coordinate y values. In shear transformation, the transformed shape appears as if the object were composed of internal layers that had been caused to slide over each other

8. If the scaling factors values sx and sy < 1 then

A. It increases the size of object

B. It stunts the shape of an object

C. It reduces the size of object

D. None of the above

View Answer

Ans : C

Explanation: If the scaling factors values sx and sy < 1 then it reduces the size of object.

9. The rotation axis that is perpendicular to the xy plane and passes through the pivot point is known as

A. Translation

B. Scaling

C. Shearing

D. Rotation

View Answer

Ans : D

Explanation: The rotation transformation is also described as a rotation about a rotation axis that is perpendicular to the xy plane and passes through the pivot point.

10. Shearing is also termed as Skewing.

A. TRUE

B. FALSE

C. Can be true or false

D. Can not say

View Answer

Ans : A

Explanation: True, Shearing is also termed as Skewing.

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