2D Transformation Questions

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1.

A translation is applied to an object by

A

Repositioning it along with straight line path

B

Repositioning it along with circular path

C

Only b

D

All of the mentioned

Correct Answer: A

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2.

We translate a two-dimensional point by adding

A

Translation distances

B

Translation difference

C

X and Y

D

Only a

Correct Answer: D

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3.

The translation distances (dx, dy) is called as

A

Translation vector

B

Shift vector

C

Both a and b

D

Neither a nor b

Correct Answer: C

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4.

In 2D-translation, a point (x, y) can move to the new position (x

A

x

B

x

C

X

D

X

Correct Answer: B

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5.

The two-dimensional translation equation in the matrix form is

A

P

B

P

C

P

D

P

Correct Answer: A

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6.

_________ is a rigid body transformation that moves objects without deformation.

A

Rotation

B

Scaling

C

Translation

D

All of the mentioned

Correct Answer: D

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7.

A straight line segment is translated by applying the transformation equation

A

P

B

Dx and Dy

C

P

D

Only c

Correct Answer: A

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8.

Polygons are translated by adding __________ to the coordinate position of each vertex and the current attribute setting.

A

Straight line path

B

Translation vector

C

Differences

D

Only b

Correct Answer: D

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9.

To change the position of a circle or ellipse we translate

A

Center coordinates

B

Center coordinates and redraw the figure in new location

C

Outline coordinates

D

All of the mentioned

Correct Answer: B

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10.

The basic geometric transformations are

A

Translation

B

Rotation

C

Scaling

D

All of the mentioned

Correct Answer: D

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