# NPTEL Computer Graphics Week 3 Assignment Answers 2024

## NPTEL Computer Graphics Week 3 Assignment Answers 2024

1. Representation of transformations in equation form is not very useful in developing modular graphics packages/libraries.

a. True
b. False

2. Select two correct options: Voxel is a______________

a. square inside of a 2D space
b. position inside a 3D grid
c. cube inside of a 3D space
d. position inside a 2D grid

3. The transformation in which object moves without deformation

a. rotation
b. scaling
c. shearing
d. all of the above

4. In order to obtain composite matrix we multiply basic matrix in sequence. In this case ____________________________________________________________.

a. we follow right-to-left rule in forming the sequence
b. we follow left-to-right rule in forming the sequence
c. we can follow either right-to-left or left-to-right rule in forming the sequence
d. any order can be considered in forming the sequence, as we are multiplying the matrices

5. In homogeneous coordinate system, a 2D point p(x, y) represented with ____________ element vector.

a. 2
b. 3
c. 4
d. 5

6. What does BSP stand for in space partitioning methods?

a. Binary Subdivision Procedure
b. Boundary Space Partitioning
c. Binary Space Partitioning
d. Base Structure Placemen

7. In which sequence should multiple geometric transformations be applied to get the correct result?

a. Right-to-left
b. Left-to-right

8. In space partitioning, large memory is required to store voxel-grid information

a. True
b. False

9. Matrix multiplication is commutative

a. True
b. False