Computer Graphics Week 3 NPTEL Assignment Answers 2025
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✅ Subject: Computer Graphics
📅 Week: 3
🎯 Session: NPTEL 2025 July-October
🔗 Course Link: Click Here
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NPTEL Computer Graphics Week 3 Assignment Answers 2025
1. At the time of defining the objects, its shape, size, and position is not important.
a. True
b. False
Answer : See Answers
2. Match the following (for homogeneous coordinate system)
I. Ph(xh, yh, 0) A. is considered to be infinity
II. Ph(0, 0, 0) B. is not allowed
III. Ph(1, 1, 1) C. is allowed
a. I-A, II-B, III-C
b. I-B, II-A, III-C
c. I-A, II-C, III-B
d. I-C, II-A, III-B
Answer :
3. 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
Answer :
4. We can create a _________ grid to represent a 3D space.
a. Pixel
b. Voxel
c. Frequency
d. Time
Answer :
5. With shearing transformation, we cannot change shape of an object.
a. True
b. False
Answer :
6. When same scaling factor is used along both X and Y direction it is called
a. Uniform scaling
b. Differential scaling
c. Equilateral scaling
d. Perpendicular scaling
Answer : See Answers
7. Matrix multiplication is commutative
a. True
b. False
Answer :
8. There are ____________ basic modeling transformations. (Fill in the blank with correct number).
Answer :
9. We need homogeneous coordinate system to represent modeling transformations as linear equations.
a. True
b. False
Answer :
10. Representation of transformations in equation form is not very useful in developing modular graphics packages/libraries.
a. True
b. False
Answer : See Answers
