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## Which of the following is not A type of Constructor?

A. Copy Constructor

B. Friend Constructor

C. Default Constructor

D. Parameterized Constructor

ANSWER: B

## If we multiply any matrix with… matrix then we get the original matrix A

a)Scaling matrix

B. Translation matrix

C. Identity matrix

D. Opposite matrix

ANSWER: C

## A pixel is represented dy a tuple Xw,Yw,w in….

A. Normalised Device Coordinates

B. Homogeneous coordinates system

C. 3D coordinate system

D. None of these

ANSWER: B

## A…transformation alters the size of an object.

A. Scaling

B. Rotation

C. Translation

D. Shear

ANSWER: A

## If the angle Q is positive then the rotation direction will be…

A. Clockwise

B. anticlockwise

C. parallel

D. perpendicular

ANSWER: B

## Reflection of a point about x-axis ,followed by a conter-clockwise rotationof 90˚ is equivalent to reflection about the line…

A. X=-Y

B. Y=-X

C. X=Y

D. X+Y=1

ANSWER: C

## The shape of the object gets by …transformation.

A. Scaling

B. Rotation

C. Translation

D. Shear

ANSWER: D

## —-.is a transformation that produces a mirror image of an object

A. Scaling

B. Translation

C. Reflection

D. Both B&C

ANSWER: C

## If we multiply any matrix A with identity matrix then we get the…..matrix

A. Identity matrix

B. Translation matrix

C. Scaling matrix

D. Original matrix

ANSWER: D

## In homogeneous co-ordinate system a pixel is represented as…

A. X,Y

B. X,Y,Z

C. X,Y,W

D. Xw,Yw,w

ANSWER: D

## Two consecutive transformation t1 and t2 are…

A. Additive

B. Substractive

C. Multiplicative

D. None of these

ANSWER: A

## Reflection about the line Y=X is equivalent to …,followed by a anticlockwiserotation 90˚

A. Reflection about y-axis

B. Reflection about x-axis

C. Reflection about origin

D. None of these

ANSWER: B

## Two consecutive scaling transformation t1 and t2 are…

A. Additive

B. Substractive

C. Multiplicative

D. None of these

ANSWER: C

## After scaling a triangle having coordinates A(0,0),B(5,0),C(5,5)by 2 units inX and 3 units in Y direction the new coordinates will be …

A. A(0,0),B(10,0),C(10,15)

B. A(0,0),B(10,15),C(10,0)

C. A(0,0),B(0,10),C(15,10)

D. A(2,3),B(10,0),C(10,15)

ANSWER: A

## After performing Y-shear transformation we got A(2,5),B(4,11),C(2,7).If theconstant value is 2 then original coordinates will be…

A. A(2,5),B(4,11),C(2,7)

B. A(2,1),B(4,3),C(2,3)

C. A(4,1),B(10,3),C(4,3)

D. A(5,11),B(3,4),C(3,2)

ANSWER: B

## After rotating a triangle having A(0,0),B(6,0),C(3,3) by 90˚about origin inanticlockwise direction,thenresultin triangle will be…

A. A(0,0),B(3,-3),C(0,6)

B. A(0,0),B(-3,3),C(0,6)

C. A(0,0),B(0,-6),C(3,-3)

D. A(0,0),B(0,6),C(-3,3)

ANSWER: D

## The point (x,y) becomes (y,x) in…. transformation.

A. Reflection about origin y-axis

B. Reflection about x-axis

C. Reflection at line Y=X

D. Reflection about y-axis

ANSWER: C

## Which of the following transformation is not used in rotation about arbitrarypoint in 2D?

A. Scaling

B. Rotation

C. Translation

D. None of these

ANSWER: A

## After performing X-shear on triangle having A(2,1),B(4,3)C(2,3) with theconstant value as 2,the resultant triangle will be

A. A(2,5),B(4,1),C(2,7)

B. A(10,3),B(4,5),C(4,1)

C. A(4,1),B(10,3),C(4,3)

D. A(5,2),B(4,11),C(7,2)

ANSWER: C

## If the resultant object is given along with the set of transformationsapplied on it, then to find the original object we have to use

A. Affine transformation

B. Reverse transformation

C. Normal transformation

D. Inverse transformation

ANSWER: D

## Two consecutive rotation transformation are always

A. Additive

B. Subtractive

C. Multiplicative

D. None of these

ANSWER: A

## Two consecutive rotation transformation are always commutative

A. TRUE

B. FALSE

C. Not always

D. None of these

ANSWER: A

## A point (x,y) becomes (-x,y) in … transformation.

A. Reflection at X axis

B. Reflection at Y axis

C. Reflection at origin

D. Reflection about line Y=X

ANSWER: B

## In Y-shear transformation point (x,y) becomes

A. (x+yb,xa+y)

B. (x+yb,y)

C. (x,xa+y)

D. None of these

ANSWER: C

## Reflection about X-axis followed by reflection about Y-axis is equivalent to

A. Reflection about line Y= X

B. Reflection about origin

C. Reflection about line Y=-X

D. Reflection about Y-axis

ANSWER: B

## Two consecutive scaling transformation are always commutative

A. TRUE

B. FALSE

C. Not always

D. none of these

ANSWER: A

## If a circle is scaled in only one direction then it will become

A. Parabola

B. Hyperbola

C. Ellipse

D. Circle

ANSWER: C

## The transformation that changes the co-ordinate positions of an object alonga circular path is called

A. Translation

B. Scaling

C. Rotation

D. Reflection

ANSWER: C

## The result of two successive 2D rotations R(Q1) and R(Q2) is

A. R(Q1+Q2)

B. R(Q1.Q2)

C. R(Q1-Q2)

D. R(Q1/Q2)

ANSWER: A

## If we take mirror reflection of a points(x,y) along x-axis then the point becomes

A. (x,-y)

B. (-x,-y)

C. (-x,y)

D. (y,x)

ANSWER: A

## If we take mirror reflection of a points(x,y) along the line Y=X then thepoint becomes

A. (x,-y)

B. (-y,-x)

C. (-x,y)

D. (y,x)

ANSWER: D

## The number of matrices required to rotate an object about a point(1,1) are…

A. 1

B. 2

C. 3

D. 4

ANSWER: C

## In X-shear transformation point(x,y)becomes…

A. (x+yb,xa+y)

B. (x+yb,y)

C. (x,xa+y)

D. (None of these

ANSWER: B

## If we take mirror reflection of a point (-x,y)along the origin then the pointBecomes…

A. (x,-y)

B. (-y,-x)

C. (-x,y)

D. (y,x)

ANSWER: A

## Shear transformation can be formed by scaling and rotation,justify True or False .

A. TRUE

B. FALSE

C. Not always

D. None of these

ANSWER: A

## If a point (x,-y)is rotated along y axis by 180 degree in clockwise directionFollowed by90 degree in anticlockwise direction then it becomes…

A. (x,-y)

B. (-y,-x)

C. (-x,y)

D. (-y,x)

ANSWER: D

## which transformation needs homogeneous coordinates to represent it in Matrixfrom?

A. Scaling

B. Rotation

C. Translation

D. Reflection

ANSWER: C

## Which of the following statement is not correct with respect to homogeneous coordinates?

A. It is used to combine transformations

B. Each point is represented as (xw,yw,w)

C. It is used for representing translation in matrix form

D. Homogeneous coordinates are represented in 2*2 matrix form

ANSWER: D

## Any 2D point is represented in a matrix form with dimension as…

A. 1*2 *

*B. 2*1

C. 11

D. 22

ANSWER: A

## Any 2D point in homogeneous coordinates is represented in a matix form withdimension as…

A. 12

B. 21

C. 13

D. 31

ANSWER: C

## Which of the following 2D transformation is not represented in matrix formin non homogeneous coordinate system?

A. Scaling

B. Rotation

C. Translation

D. Reflection

ANSWER: C

## If we need to tilt the 2D object in one direction then we have to use…transformation.

A. Scaling

B. Translation

C. Shear

D. Rotation

ANSWER: C

## If we need to tilt the height of the object keeping width same as originalobject then we have to use…transformations.

A. scaling in Y direction

B. Scaling

C. Y-shearing

D. X-shearing

ANSWER: B

## If we need to shift the width of the object keeping height as unchanged,thenwe have to use…transformation

A. Translation

B. Scaling

C. Y-shearing

D. X-shearing

ANSWER: D

## In Scaling transformation Sx Indicate….

A. Scaling factor along X axis

B. Translation factor along X axis

C. Tilting factor along X axis

D. None of these

ANSWER: A

## In translation transformation Ty indicates…

A. Scaling factor along Y direction

B. Translation factor along Y direction

C. Tilting factor along Y direction

D. None of these

ANSWER: B

## If the size of triangle needs to be doubled by keeping the center triangle atthe same position as that of original triangle. then we need to apply…transformation.

A. only scaling

B. only translation

C. Scaling and translation

D. Scaling and Rotation

ANSWER: C

## If we have applied scaling by 2 units in both directions and received finalcoordinates of the polygon, then to recover the original coordinates of thepolygon we have to apply scaling transformation with…

A. Sx=2, Sy=2

B. Sx=1/2, Sy=1/2

C. Sx=1/2, Sy=2

D. Sx=2, Sy=1/2

ANSWER: B

## If have the final coordinates of the polygen, then to recover the original coordinates of polygen we have to apply…

A. Scaling

B. Translation

C. Inverse transformation

D. N.O.T

ANSWER: C

## Which of the following transformation are needed if we want to scale theobject with respect to a point other than origin?

A. Scaling

B. Transformation

C. Both a and b

D. Rotation

ANSWER: C

## A point x(2,3) is reprensented in homogeneous coordinates as..

A. (2,3)

B. (2,3,1)

C. (2,3,1)

D. (2,3,0)

ANSWER: C

## The transformation matrix is used for…

A. Reflection at X axis

B. Reflection at Y axis

C. Reflection at origin

D. Noneof these

ANSWER: B

## The transformation matrix is used for…

A. Reflection at X axis

B. Reflection at Y axis

C. Reflection at origin

D. Reflection at line Y=X

ANSWER: C

## The transformation matrix is used for…

A. Reflection at origin

B. Reflection at X axis

C. Reflection at Y axis

D. Reflection at the line Y=X

ANSWER: D

## The transformation matrix is used for…

A. Scaling

B. Y-shear

C. X-shear

D. N.o.t

ANSWER: B

## If we rotate a triangle ABC having A(1,1), B(10,1), C(5,5) by 90 degree inanticlockwise direction then the ABC will become …

A. A(1,1), B(10,1), C(5,-5)

B. A(-1,1), B(-10,1), C(-5,5)

C. A(-1,1), B(-1,10), C(-5,5)

D. A(-1,1), B(-1,10), C(-5,-5)

ANSWER: B

## Find out final co-ordinate of a figure bounded by co-ordinate A(2,1), B(2,3),C(4,2), D(4,2) with scale factor Sx=Sy=3

a) A(6,3), B(6,9), C(6,12), and D(12,6)

B. A(6,3), B(6,9), C(6,12), and D

ANSWER: B

6,12)

C. A(6,3), B(6,9), C(12,6), and D(12,6)

D. A(6,3), B(9,6), C(12,6), and D(6,12)

ANSWER: C

## If we perform X shear on a triangle having A(2,1), B(4,3), C(2,3). Withconstant value as 2 then the new coordinate will be…

A. A(4,1), B(10,3), C(2,3)

B. A(4,1), B(10,3), C(4,3)

C. A(2,5), B(4,11), C(2,7)

D. A(2,5), B(4,11), C(7,2)

ANSWER: B

## If we perform Y shear on a triangle having A(2,1), B(4,3), C(2,3). Withconstant value as 2 then the new coordinate will be…

A. A(4,1), B(10,3), C(2,3)

B. A(4,1), B(10,3), C(4,3)

C. A(2,5), B(4,11), C(2,7)

D. A(2,5), B(4,11), C(7,2)

ANSWER: C

## If we rotate a triangle ABC having A(0,0), B(6,0) and C(3,3) by 90 degreeabout origin in anticlockwise direction then triangle ABC will become as…

A. A(0,0), B(0,6), C(-3,3)

B. A(0,0), B(6,0), C(-3,3)

C. A(0,0), B(0,6), C(3,-3)

D. A(0,0), B(6,0), C(3,-3)

ANSWER: A

## If we translate the square ABCD whose co-ordinate are A(0,0), B(3,0), C(3,3)and D(0,3) by 2 units in both directions then the new coordinates of ABCDwill be…

A. A(2,2) , B(3,2), C(5,5), D(0,5)

B. A(2,2) , B(5,2), C(5,5), D(2,5)

C. A(2,2) , B(5,2), C(3,3), D(2,5)

D. A(2,2) , B(3,2), C(5,5), D(2,5)

ANSWER: B

## If we scale the square ABCD whose co-ordinate are A(2,2), B(5,2), C(5,5),D(2,5) by 1.5 and 0.5 units in X and Y directions respectively then the newcoordinates of ABCD will be…

A. A(3,1) , B(7.5,1), C(7.5,5), D(3,5)

B. A(3,3) , B(7.5,3), C(7.5,7.5), D(3,7.5)

C. A(3,1) , B(7.5,1), C(7.5,2.5), D(3,2.5)

D. A(3,3) , B(5,3), C(5,7.5), D(3,7.5)

ANSWER: C

## If we scale a square ABCD with co-ordinate A(0,0), B(5,0), C(5,5) and D(0,5)by 2 units for x-direction and 3 units for y-directions, then the finalcoordinates will be…

A. A(0,0) , B(0,10), C(15,10) and D(15,0)

B. A(0,0) , B(10,0), C(10,15) and D(0,15)

C. A(0,0) , B(10,0), C(15,10) and D(0,15)

D. A(0,0) , B(10,0), C(15,10) and D(15,0)

ANSWER: B

## if a final polygon co-ordinates are A(7,3), B(9,3), C(9,5) and D(7,5). Wehave applied translation by 1 in both x of y-direction. Then the originalpolygon coordinates will be…

A. A(6,3) , B(8,3), C(8,5), D(6,5)

B. A(7,2) , B(9,2), C(9,4), D(7,4)

C. A(6,2) , B(8,2), C(8,4), D(6,4)

D. None of these

ANSWER: C