Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Chapter: 18
Q601:
Which angle describes rotation around the Y-axis?
A. Yaw
B. Roll
C. Pitch
D. Flip
Correct Answer:
A
Chapter: 18
Q602:
Which angle describes rotation around the Z-axis?
A. Yaw
B. Roll
C. Pitch
D. Flip
Correct Answer:
B
Chapter: 18
Q603:
What is the order of rotations when cascading rotations?
A. X, Y, Z
B. Z, Y, X
C. Y, Z, X
D. Z, X, Y
Correct Answer:
D
Chapter: 18
Q604:
The rotation formula for x′ when rotating around the Z-axis is ______.
A. x cosθ + y sinθ
B. x cosθ - y sinθ
C. x sinθ - y cosθ
D. x sinθ + y cosθ
Correct Answer:
B
Chapter: 18
Q605:
What remains unchanged when rotating around the Z-axis?
A. x-coordinate
B. y-coordinate
C. z-coordinate
D. All coordinates
Correct Answer:
C
Chapter: 18
Q606:
Which operation is used when multiplying matrices with vectors?
A. Cross product
B. Dot product
C. Determinant
D. Inverse
Correct Answer:
B
Chapter: 18
Q607:
In matrix multiplication, rows of a matrix are considered as ______.
A. Scalars
B. Vectors
C. Points
D. Matrices
Correct Answer:
B
Chapter: 18
Q608:
A matrix is best thought of as an array of ______ in 3D transformations.
A. numbers
B. angles
C. vectors
D. scalars
Correct Answer:
C
Chapter: 18
Q609:
What is a 3x3 matrix composed of?
A. 3 rows and 2 columns
B. 2 rows and 3 columns
C. 3 rows and 3 columns
D. 1 row and 9 columns
Correct Answer:
C
Chapter: 18
Q610:
Rotation about X-axis occurs in which plane?
A. XY plane
B. YZ plane
C. XZ plane
D. ZX plane
Correct Answer:
B
Chapter: 18
Q611:
Rotation about Y-axis occurs in which plane?
A. XY plane
B. YZ plane
C. XZ plane
D. YX plane
Correct Answer:
C
Chapter: 18
Q612:
In matrix multiplication, what must be equal for the dot product to be valid?
A. Rows and columns
B. Number of elements
C. Values
D. Matrix size
Correct Answer:
B
Chapter: 18
Q613:
When rotating around the Y-axis, which coordinate remains unchanged?
A. X
B. Y
C. Z
D. None
Correct Answer:
B
Chapter: 18
Q614:
What is the pivot point usually considered during 2D rotation?
A. (1,1)
B. (0,0)
C. (2,2)
D. (0,1)
Correct Answer:
B
Chapter: 18
Q615:
Multiplying a matrix with a point results in how many elements in the output?
A. 1
B. 2
C. 3
D. 4
Correct Answer:
C
Chapter: 18
Q616:
In matrix multiplication, columns represent ______.
A. Rows
B. Vectors
C. Scalars
D. Points
Correct Answer:
B
Chapter: 18
Q617:
What is the mathematical operation used in matrix-vector multiplication?
A. Addition
B. Dot product
C. Cross product
D. Subtraction
Correct Answer:
B
Chapter: 18
Q618:
What is the angle called when rotating around Z-axis?
A. Roll
B. Yaw
C. Pitch
D. Skew
Correct Answer:
A
Chapter: 18
Q619:
In yaw rotation, rotation happens around which axis?
A. X-axis
B. Y-axis
C. Z-axis
D. W-axis
Correct Answer:
B
Chapter: 18
Q620:
In pitch rotation, rotation happens around which axis?
A. X-axis
B. Y-axis
C. Z-axis
D. W-axis
Correct Answer:
A