Multiple choice questions and answers (MCQ) based on the Types of Transformations (Translation, Rotation and Scaling) in computer graphics with 4 choices, correct answer and explanation.
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In which of the following transformation methods of Computer Graphics is the Shape of the Object not deformed?In which of the following transformation methods of Computer Graphics is the Shape of the Object not deformed?
The answer is:
A. Translation


Translation equation: x1 = x + Tx y1 = y + Ty What is another name for the Translation pair (Tx, Ty)?Translation equation: x1 = x + Tx y1 = y + Ty What is another name for the Translation pair (Tx, Ty)?
The answer is:
A. Shift Vector


What value of the rotation angle rotates the object in clockwise direction?What value of the rotation angle rotates the object in clockwise direction?
The answer is:
B. Negative value


Which of the following transformation techniques is responsible for altering (either enlarging it or diminishing it) the size of the object?Which of the following transformation techniques is responsible for altering (either enlarging it or diminishing it) the size of the object?
The answer is:
C. Scaling


In all these three transformation types, the shape of the object is never deformed"There are three basic transformation techniques in Computer Graphics to alter an object. They are: Translation, Rotation and Scaling." Based upon the above statement, determine whether the following condition is true or false. "In all these three transformation types, the shape of the object is never deformed."
The answer is:
A. True


The term "transformation" refers to the process of applying a translation to an entityThe term "transformation" refers to the process of applying a translation to an entity.
The answer is:
B. Repositioning it along with straight line path


___ is a rigid body transformation that enables an entity to shift without deforming___ is a rigid body transformation that enables an entity to shift without deforming.
The answer is:
C. Only B


The colour transformation is performed in the centre of the process___The colour transformation is performed in the centre of the process___
The answer is:
B. Single color model


What is a necessary to specify to generate rotation?What is a necessary to specify to generate rotation?
The answer is:
B. Rotation angle ϴ


The distances between two points (dx, dy) are referred to as translation distances (dx, dy)The distances between two points (dx, dy) are referred to as translation distances (dx, dy).
The answer is:
A. Translation vector or Shift vector


The transformation set is also known as,The transformation set is also known as,
The answer is:
C. Colour Mapping Functions


A twodimensional point is transformed by insertingA twodimensional point is transformed by inserting.
The answer is:
C. Translation distances


The transformation of the entity in relation to an axis is called the reflection imageThe transformation of the entity in relation to an axis is called the reflection image.
The answer is:
D. Only B


Which of the following is a matrix form of 2D translation equation is,Which of the following is a matrix form of 2D translation equation is,
The answer is:
A. P'=R*P


We set all scale factors to reduce the object's dimensionWe set all scale factors to reduce the object's dimension.
The answer is:
C. in Between 0 and 1


The fundamental geometric transformations are as follows:The fundamental geometric transformations are as follows:
The answer is:
C. Rotation


A line segment of a polygon may also be referred as,A line segment of a polygon may also be referred as,
The answer is:
C. Edges


An efficient transformation method which produces a parallel mirror image of an object is also referred as,An efficient transformation method which produces a parallel mirror image of an object is also referred as,
The answer is:
B. Reflection


An efficient transformation method in which an object may shift form one coordinate position to any other coordinate position in a threedimensional plane An efficient transformation method in which an object may shift form one coordinate position to any other coordinate position in a threedimensional plane 
The answer is:
B. Translation


A transformation method which may cause the change in a shape of an object is referred as,A transformation method which may cause the change in a shape of an object is referred as,
The answer is:
D. Shear

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