Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Chapter: 17
Q561:
In a right-handed coordinate system, the z-axis points _______.
A. Into the screen
B. Upward
C. Out of the screen
D. Rightward
Correct Answer:
C
Chapter: 17
Q562:
The formula to calculate distance between two 3D points uses which theorem?
A. Newton's Law
B. Pythagoras theorem
C. Euler's theorem
D. Pascal's theorem
Correct Answer:
B
Chapter: 17
Q563:
The distance between two points in 3D is calculated by _______.
A. Addition
B. Multiplication
C. Square root of sum of squared differences
D. Subtraction of coordinates
Correct Answer:
C
Chapter: 17
Q564:
A 3D vector can be represented as a point at <x,y,z> or as a _______.
A. Circle
B. Line from origin
C. Square
D. Plane
Correct Answer:
B
Chapter: 17
Q565:
The addition of a 3D vector to a 3D point results in _______.
A. A plane
B. Another vector
C. A new point
D. A new axis
Correct Answer:
C
Chapter: 17
Q566:
Length of a vector <x,y,z> is calculated by _______.
A. Adding all components
B. Subtracting components
C. Using square root of the sum of squares
D. Multiplying components
Correct Answer:
C
Chapter: 17
Q567:
To create a unit vector, each component is divided by _______.
A. Distance
B. Length of vector
C. Sum of coordinates
D. Origin value
Correct Answer:
B
Chapter: 17
Q568:
A line in 3D space can be represented by _______.
A. Only endpoints
B. Only angle
C. A parametric equation
D. Only length
Correct Answer:
C
Chapter: 17
Q569:
In a parametric equation of a line, P = P1 + k*(P2-P1), value of k lies between _______.
A. 0 and 10
B. 1 and 2
C. 0 and 1
D. -1 and 1
Correct Answer:
C
Chapter: 17
Q570:
Moving points in 3D space is called _______.
A. Deformation
B. Translation
C. Transformation
D. Elevation
Correct Answer:
C
Chapter: 17
Q571:
Translation moves a point by adding a _______ to it.
A. Scalar
B. Vector
C. Angle
D. Length
Correct Answer:
B
Chapter: 17
Q572:
Point3D structure consists of which variables?
A. width, height, depth
B. x, y, z
C. l, m, n
D. a, b, c
Correct Answer:
B
Chapter: 17
Q573:
What is the result of point - point operation in 3D space?
A. Vector
B. Point
C. Line
D. Plane
Correct Answer:
A
Chapter: 17
Q574:
What is the result of vector + vector operation?
A. Plane
B. Scalar
C. Vector
D. Line
Correct Answer:
C
Chapter: 17
Q575:
What is the result of point + vector operation?
A. Vector
B. Scalar
C. Point
D. Origin
Correct Answer:
C
Chapter: 17
Q576:
What is Lahore plus Karachi?
A. Point
B. Vector
C. Plane
D. Undefined
Correct Answer:
D
Chapter: 17
Q577:
Multiplying a vector by a scalar changes its _______.
A. Length
B. Direction
C. Dimension
D. Origin
Correct Answer:
A
Chapter: 17
Q578:
Multiplying a vector by -2.5 will _______.
A. Change its direction
B. Keep direction same
C. Make it disappear
D. Double its dimensions
Correct Answer:
A
Chapter: 17
Q579:
The dot product of two vectors results in a _______.
A. Vector
B. Point
C. Scalar
D. Plane
Correct Answer:
C
Chapter: 17
Q580:
The dot product formula is _______.
A. A.x * B.x + A.y * B.y + A.z * B.z
B. A.x + B.x + A.y + B.y + A.z + B.z
C. A.x * A.y * A.z
D. (A.x + A.y) * (B.x + B.y)
Correct Answer:
A