Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Multiple Choice Questions
Q821: Fill in the blank: Light interacts with materials based on their ___________.
- A: Color
- B: Conductivity
- C: Transparency
- D: Roughness
View Answer
B
Q822: Which lighting type is described as being due to environmental illumination with no specific light source?
- A: Diffuse lighting
- B: Ambient lighting
- C: Specular lighting
- D: Emissive lighting
View Answer
B
Q823: Fill in the blank: Emissive lighting adds ________ to an object's final light calculation.
- A: Ambient light
- B: Diffuse reflection
- C: Specular highlights
- D: Additional color
View Answer
D
Q824: What is the primary use of parallel lights in lighting and shading models?
- A: Simulate the moon
- B: Simulate the sun
- C: Simulate artificial light
- D: Simulate stars
View Answer
B
Q825: Parallel lights are used to simulate light from a source that is __________.
- A: Close by
- B: Far away
- C: Moving
- D: Directional
View Answer
B
Q826: Which of the following is a disadvantage of using spotlights in 3D rendering?
- A: They are computationally expensive
- B: They are fast to process
- C: They provide less realism
- D: They have no falloff
View Answer
A
Q827: Point lights scatter light in __________ directions.
- A: One
- B: Two
- C: All
- D: None
View Answer
C
Q828: Spotlights have two angles: theta and ________.
- A: Gamma
- B: Phi
- C: Delta
- D: Lambda
View Answer
B
Q829: The angle theta in spotlights refers to the __________.
- A: Outer cone angle
- B: Internal cone angle
- C: Falloff rate
- D: None of the above
View Answer
B
Q830: Gouraud shading uses __________ to compute the lighting for a vertex.
- A: Vertex position and vertex normal
- B: Polygon edges and vertex normal
- C: Pixel color and intensity
- D: Pixel position and pixel normal
View Answer
A