Virtual Labs

a: They define the material properties of objects in the scene. b: They control the visibility of objects based on their distance from the camera. c: They determine the focal length of the camera lens. d: They influence the lighting conditions in the rendered image.

3. What is the purpose of the view matrix in computer graphics?

a: To define the position and orientation of the virtual camera. b: To transform object coordinates from model space to world space. c: To apply shading algorithms to the rendered image. d: To store pixel values of an image.

4. How does a depth buffer contribute to the realism of rendered scenes?

a: It controls the saturation levels of colors in the rendered image. b: It manages the transparency of objects in the scene. c: It simulates the effects of atmospheric perspective by assigning depth values to pixels. d: It determines the overall brightness of the rendered image.

5. In computer graphics, what is the purpose of the 'aspect ratio' in relation to cameras?

a: It determines the intensity of specular reflection on surfaces. b: It defines the proportion of width to height in the rendered image. c: It controls the field of view of the camera. d: It adjusts the level of ambient lighting in the scene.

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