Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Chapter: 24
Q801:
The color scaling technique divides each element by the ________.
A. Largest color value
B. Smallest color value
C. Average color value
D. Median color value
Correct Answer:
A
Chapter: 24
Q802:
In alpha blending, what do blending factors modify?
A. How the colors are combined
B. The alpha transparency
C. The brightness of the image
D. The gamma correction
Correct Answer:
A
Chapter: 24
Q803:
The code provided for alpha blending modifies the color values by using the ________ factor.
A. Alpha blending
B. Gamma correction
C. Contrast adjustment
D. Brightness control
Correct Answer:
A
Chapter: 24
Q804:
When using the ColorSpace tool, the resulting display shows ________.
A. Clamped, clipped, and scaled color values
B. Only the original color values
C. Only the scaled color values
D. The unmodified color values
Correct Answer:
A
Chapter: 25
Q805:
What is typically multiplied to determine the final color of an object in lighting?
A. Light intensity and surface color
B. Light angle and intensity
C. Surface roughness and material properties
D. Light reflection and angle
Correct Answer:
A
Chapter: 25
Q806:
Which property of a light source determines how much it affects objects from different distances?
A. Color
B. Intensity
C. Attenuation
D. Shape
Correct Answer:
C
Chapter: 25
Q807:
The interaction of light with the surface boundary is a part of which phenomenon?
A. Diffuse lighting
B. Specular lighting
C. Ambient lighting
D. Material properties
Correct Answer:
B
Chapter: 25
Q808:
What does diffuse lighting represent on a surface?
A. Light reflected in one direction
B. Light reflected in all directions
C. The color of highlights on a surface
D. The color of an object due to environmental illumination
Correct Answer:
B
Chapter: 25
Q809:
Which of the following is not a type of lighting effect described in the content?
A. Ambient lighting
B. Specular lighting
C. Reflective lighting
D. Emissive lighting
Correct Answer:
C
Chapter: 25
Q810:
Emissive lighting simulates an object doing what?
A. Reflecting ambient light
B. Emitting its own light
C. Absorbing all light
D. Reflecting only specular light
Correct Answer:
B
Chapter: 25
Q811:
Shading is mainly the calculation of what?
A. The object's shape
B. The color reflected off a surface
C. The angle of light
D. The intensity of light
Correct Answer:
B
Chapter: 25
Q812:
Which type of material allows more penetration and transmittance of light?
A. Conductors
B. Dielectrics
C. Metals
D. Pigments
Correct Answer:
B
Chapter: 25
Q813:
The intensity of specular lighting depends on which of the following?
A. Surface roughness
B. Angle of light reflection
C. Material transparency
D. Object's ambient color
Correct Answer:
B
Chapter: 25
Q814:
What model is used to simulate the reflection of light off a smooth surface of a conductor?
A. Perfect reflection model
B. Diffuse reflection model
C. Reflection from rough surfaces
D. Simple reflection model
Correct Answer:
A
Chapter: 25
Q815:
Subsurface scattering is typical for materials like:
A. Metal
B. Plastic
C. Velvet
D. Pigment-saturated translucent coatings
Correct Answer:
D
Chapter: 25
Q816:
What is used to simulate metallic paint in shaders?
A. Ambient lighting
B. Specular sparkle shading
C. Diffuse reflection
D. Light absorption
Correct Answer:
B
Chapter: 25
Q817:
The final color of an object is computed by adding together all contributions from different types of lighting, including:
A. Reflection and transmission
B. Diffuse and specular lighting
C. Emissive and ambient lighting
D. Surface color and light attenuation
Correct Answer:
B
Chapter: 25
Q818:
Which type of surface is described as reflective with light bouncing off multiple pigments?
A. Transparent
B. Opaque
C. Rough
D. Translucent
Correct Answer:
D
Chapter: 25
Q819:
What does a rough surface affect in terms of light interaction?
A. The intensity of ambient lighting
B. The light's direction after reflection
C. The amount of light absorbed
D. The light's dispersion and reflection
Correct Answer:
D
Chapter: 25
Q820:
Which of the following is not typically a part of the light-surface interaction in shading models?
A. Diffuse lighting
B. Specular highlights
C. Surface color modulation
D. Light reflection angles
Correct Answer:
C