MCQs of Advance topics (Computer Graphics - 3150712)

Computer Graphics (3150712) MCQs

MCQs of Advance topics

Showing 1 to 10 out of 36 Questions

In which type of visible-surface detection Algorithms visibility is decided point by point at each pixel position on the projection plane?

(a)	Object-Space methods
(b)	Image-Space methods
(c)	A and B both
(d)	None of these

In the back-face detection algorithm, If V is along the positive Z direction than polygon is back face if ______. (V = vector in viewing direction from eye, C = Plane constant)

(a)	$C \geq 0$
(b)	$C \leq 0$
(c)	$C \geq 1$
(d)	$C \leq 1$

Which is true for back-face detection?

(a)	The back-face detection algorithm is always working well for all polyhedron
(b)	The back-face detection algorithm always works for a concave polyhedron
(c)	The back-face detection algorithm always works for a convex polyhedron
(d)	All of these

Which of these is a visible surface detection algorithm?

(a)	Back-face detection
(b)	Back-face removal
(c)	Ray tracing
(d)	None of these

In the depth buffer method which buffer is/are used?

(a)	Depth buffer
(b)	Refresh buffer
(c)	Frame buffer
(d)	A and B both

Which surface algorithm is based on perspective depth?

(a)	Depth comparison
(b)	Z-buffer or depth-buffer algorithm
(c)	Subdivision method
(d)	Back-face removal

When we see any object we see ______ light from that object.

(a)	Incident
(b)	Reflected
(c)	A and B both
(d)	None of these

An object is illuminated when :

(a)	Directly exposed to a light source
(b)	Light is completely absent
(c)	Not directly exposed to light may also visible if a nearby object is illuminated
(d)	A and C both

Sun on the earth can be considered as :

(a)	Point light source
(b)	Distributed light source
(c)	Line light source
(d)	Symmetric light source

10.

Tube light in a room can be considered as :

(a)	Point light source
(b)	Distributed light source
(c)	Line light source
(d)	Symmetric light source

Showing 1 to 10 out of 36 Questions