Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Multiple Choice Questions
Q981: Without ambient light, scenes would appear ______.
- A: Washed out
- B: Filled with harsh shadows
- C: Very colorful
- D: Overexposed
View Answer
B
Q982: Excessive ambient light results in scenes that look ______.
- A: Dull and washed out
- B: Very colorful
- C: More detailed
- D: Sharper
View Answer
A
Q983: In traditional hardware, how many light sources are typically supported simultaneously?
- A: Four
- B: Six
- C: Eight
- D: Ten
View Answer
C
Q984: What type of reflection is modeled by diffuse lighting?
- A: Mirror reflection
- B: Perfect isotropic reflection
- C: Ideal diffuse reflection
- D: Anisotropic reflection
View Answer
C
Q985: Diffuse reflection depends on the ______ between light direction and surface normal.
- A: Distance
- B: Angle
- C: Reflection
- D: Emission
View Answer
B
Q986: The diffuse lighting model follows which law?
- A: Snell’s Law
- B: Lambert’s cosine law
- C: Newton’s reflection law
- D: Maxwell’s electromagnetic law
View Answer
B
Q987: When the angle between surface normal and light vector is 90 degrees, diffuse light is ______.
- A: Maximum
- B: Half
- C: Zero
- D: Minimum but not zero
View Answer
C
Q988: When the cosine of the angle between light and normal is negative, the diffuse contribution is ______.
- A: Increased
- B: Ignored
- C: Doubled
- D: Reduced
View Answer
B
Q989: What happens when diffuse and ambient terms are combined?
- A: The scene becomes darker
- B: No visible change
- C: More realistic shading
- D: Less realistic shading
View Answer
C
Q990: Lambertian shading intensity is proportional to ______.
- A: Sine of the angle
- B: Cosine of the angle
- C: Tangent of the angle
- D: Cotangent of the angle
View Answer
B