Cgm Quiz 3D Cse A
10 Questions
| Total Attempts: 71
Questions and Answers
- 1.The transformation in which an object can be shifted to any coordinate position in the three-dimensional plane is called
- A.
Rotation
- B.
Translation
- C.
All of the options
- D.
Scaling
- 2.The transformation in which the size of an object can be modified in x-direction ,y-direction and z-direction
- A.
Translation
- B.
Scaling
- C.
Rotation
- D.
Shear
- 3.If the 3-D rotation is applied to an object about x-axis, which plane will refer as plane of rotation
- A.
X-Y Plane
- B.
Z-X Plane
- C.
Y-Z Plane
- D.
None of the options
- 4.Apply 3-D rotation over a triangle ABC with vertices A(1,1,1), B (1,1,6), C(3,1,0) about z-axis through 90 degrees and calculate the new coordinates of the triangle ABC after rotation.
- A.
A(-1,1,-1) B(-1,1,6) c(-1,3,0)
- B.
A(-1,-1,1) B(-1,1,6) c(-1,3,0)
- C.
A(-1,1,1) B(-1,1,6) c(-1,3,0)
- D.
A(-1,1,1) B(-1,-1,6) c(-1,3,0)
- 5.The method which is based on the principle of checking the visibility point at each pixel position on the projection plane is called
- A.
Object-space method
- B.
Image-space method
- C.
Both Image & Space
- D.
None of these
- 6.The point, from which the observer is assumed to view the object, is called
- A.
Center of projection
- B.
Point of projection
- C.
Point of observer
- D.
View point
- 7.Orthographic projection is also known as
- A.
Single view projection
- B.
Two view projection
- C.
Multi view projection
- D.
All of the options are correct
- 8.The orthographic projection, projection lines are ____ to each other.
- A.
Parallel
- B.
Perpendicular
- C.
Inclined
- D.
Any of the options
- 9.If background intensity of a scene is constant with a value 255(white) having two objects, where the first object has a point A(2,2,2) with intensity 128 and the second object has another point B(2,2,4) with intensity 100 overlap each other on 2D plane, the intensity of the location will be
- A.
255
- B.
128
- C.
100
- D.
None
- 10.Why we need removal of hidden surface
- A.
for displaying realistic view
- B.
For determining the closest visible surface
- C.
Both realistic view and closest visible surface
- D.
None of these
Use this to practice for your quiz. Good Luck!!
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